./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/bary_diverge.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/bary_diverge.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b9d207296596aa3375527680ff88bb2bc1830663ee47f0fb08df7239383517f9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:39:31,993 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:39:32,045 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 04:39:32,049 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:39:32,049 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:39:32,068 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:39:32,069 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:39:32,069 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:39:32,070 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:39:32,070 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:39:32,070 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:39:32,070 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:39:32,070 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:39:32,070 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:39:32,070 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:39:32,070 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:39:32,071 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:39:32,071 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:39:32,071 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:39:32,071 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:39:32,071 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:39:32,071 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:39:32,071 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:39:32,071 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:39:32,071 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:39:32,071 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:39:32,072 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:39:32,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:39:32,072 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:39:32,072 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:39:32,072 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:39:32,072 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:39:32,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:39:32,072 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9d207296596aa3375527680ff88bb2bc1830663ee47f0fb08df7239383517f9 [2024-12-06 04:39:32,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:39:32,278 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:39:32,280 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:39:32,281 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:39:32,281 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:39:32,282 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-benchs/bary_diverge.c [2024-12-06 04:39:34,863 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/data/c7c2f886e/6fa6f9e974a140d68039e546a1849c02/FLAGa5db8d744 [2024-12-06 04:39:35,084 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:39:35,085 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/sv-benchmarks/c/float-benchs/bary_diverge.c [2024-12-06 04:39:35,092 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/data/c7c2f886e/6fa6f9e974a140d68039e546a1849c02/FLAGa5db8d744 [2024-12-06 04:39:35,448 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/data/c7c2f886e/6fa6f9e974a140d68039e546a1849c02 [2024-12-06 04:39:35,449 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:39:35,450 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:39:35,451 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:39:35,451 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:39:35,454 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:39:35,454 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:39:35" (1/1) ... [2024-12-06 04:39:35,455 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@249d80ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:39:35, skipping insertion in model container [2024-12-06 04:39:35,455 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:39:35" (1/1) ... [2024-12-06 04:39:35,468 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:39:35,586 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/sv-benchmarks/c/float-benchs/bary_diverge.c[632,645] [2024-12-06 04:39:35,606 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:39:35,614 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:39:35,624 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/sv-benchmarks/c/float-benchs/bary_diverge.c[632,645] [2024-12-06 04:39:35,629 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:39:35,642 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:39:35,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:39:35 WrapperNode [2024-12-06 04:39:35,642 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:39:35,643 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:39:35,643 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:39:35,643 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:39:35,648 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:39:35" (1/1) ... [2024-12-06 04:39:35,652 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:39:35" (1/1) ... [2024-12-06 04:39:35,663 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 68 [2024-12-06 04:39:35,663 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:39:35,664 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:39:35,664 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:39:35,664 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:39:35,669 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:39:35" (1/1) ... [2024-12-06 04:39:35,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:39:35" (1/1) ... [2024-12-06 04:39:35,670 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:39:35" (1/1) ... [2024-12-06 04:39:35,670 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:39:35" (1/1) ... [2024-12-06 04:39:35,673 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:39:35" (1/1) ... [2024-12-06 04:39:35,673 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:39:35" (1/1) ... [2024-12-06 04:39:35,675 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:39:35" (1/1) ... [2024-12-06 04:39:35,676 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:39:35" (1/1) ... [2024-12-06 04:39:35,677 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:39:35" (1/1) ... [2024-12-06 04:39:35,678 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:39:35,678 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:39:35,678 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:39:35,678 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:39:35,679 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:39:35" (1/1) ... [2024-12-06 04:39:35,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:39:35,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:39:35,703 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:39:35,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:39:35,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:39:35,723 INFO L130 BoogieDeclarations]: Found specification of procedure RANDOM_INPUT [2024-12-06 04:39:35,723 INFO L138 BoogieDeclarations]: Found implementation of procedure RANDOM_INPUT [2024-12-06 04:39:35,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:39:35,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:39:35,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:39:35,787 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:39:35,789 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:39:35,900 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-06 04:39:35,901 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:39:35,949 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:39:35,949 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 04:39:35,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:39:35 BoogieIcfgContainer [2024-12-06 04:39:35,949 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:39:35,950 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:39:35,950 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:39:35,957 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:39:35,957 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:39:35" (1/1) ... [2024-12-06 04:39:35,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:39:36,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:39:36,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-12-06 04:39:36,013 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-12-06 04:39:36,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:39:36,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:39:36,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:39:36,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:39:36,100 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:39:36,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:39:36,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:39:36,169 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:39:36,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:39:36,197 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 04:39:36,217 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:39:36 ImpRootNode [2024-12-06 04:39:36,217 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:39:36,218 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:39:36,218 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:39:36,218 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:39:36,218 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:39:35" (3/4) ... [2024-12-06 04:39:36,220 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 04:39:36,221 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:39:36,222 INFO L158 Benchmark]: Toolchain (without parser) took 771.31ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 74.5MB in the end (delta: 42.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 04:39:36,222 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:39:36,223 INFO L158 Benchmark]: CACSL2BoogieTranslator took 191.60ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 105.4MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:39:36,223 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.94ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 104.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:39:36,223 INFO L158 Benchmark]: Boogie Preprocessor took 14.24ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 103.2MB in the end (delta: 858.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:39:36,224 INFO L158 Benchmark]: RCFGBuilder took 271.24ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 88.6MB in the end (delta: 14.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:39:36,224 INFO L158 Benchmark]: CodeCheck took 266.89ms. Allocated memory is still 142.6MB. Free memory was 88.6MB in the beginning and 74.8MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:39:36,225 INFO L158 Benchmark]: Witness Printer took 3.57ms. Allocated memory is still 142.6MB. Free memory was 74.8MB in the beginning and 74.5MB in the end (delta: 279.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:39:36,227 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 14]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 26, overapproximation of someBinaryFLOATComparisonOperation at line 36, overapproximation of someBinaryArithmeticFLOAToperation at line 47. Possible FailurePath: [L19] BOOLEAN INIT; [L20] float C1, I; [L34] static float X,Y,Z; [L55] int i; [L57] INIT = TRUE VAL [C1=0, I=0, INIT=1, X=0, Y=0, Z=0] [L58] CALL, EXPR RANDOM_INPUT() VAL [C1=0, I=0, INIT=1, X=0, Y=0, Z=0] [L24] float x; [L25] x = __VERIFIER_nondet_float() [L26] CALL assume_abort_if_not(x >= -1.f && x <= 1.f) [L12] COND FALSE !(!cond) [L26] RET assume_abort_if_not(x >= -1.f && x <= 1.f) [L27] return x; [L58] RET, EXPR RANDOM_INPUT() VAL [C1=0, I=0, INIT=1, X=0, Y=0, Z=0] [L58] C1 = RANDOM_INPUT() [L59] CALL, EXPR RANDOM_INPUT() VAL [C1=2, I=0, INIT=1, X=0, Y=0, Z=0] [L24] float x; [L25] x = __VERIFIER_nondet_float() [L26] CALL assume_abort_if_not(x >= -1.f && x <= 1.f) [L12] COND FALSE !(!cond) [L26] RET assume_abort_if_not(x >= -1.f && x <= 1.f) [L27] return x; [L59] RET, EXPR RANDOM_INPUT() VAL [C1=2, I=0, INIT=1, X=0, Y=0, Z=0] [L59] I = RANDOM_INPUT() [L61] i = 0 VAL [C1=2, I=3, INIT=1, X=0, Y=0, Z=0, i=0] [L61] COND TRUE i < 3600000 [L62] CALL bary() [L36] COND TRUE C1 > 0.f [L37] Z = Y [L38] Y = X [L41] COND TRUE INIT == TRUE [L42] X = I [L43] Y = I [L44] Z = I [L50] CALL __VERIFIER_assert(X >= -5.f && X <= 5.f) [L14] COND TRUE !(cond) VAL [C1=2, I=3, INIT=1, X=3, Y=3, Z=3] [L14] reach_error() VAL [C1=2, I=3, INIT=1, X=3, Y=3, Z=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 191.60ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 105.4MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.94ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 104.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.24ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 103.2MB in the end (delta: 858.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 271.24ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 88.6MB in the end (delta: 14.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 266.89ms. Allocated memory is still 142.6MB. Free memory was 88.6MB in the beginning and 74.8MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.57ms. Allocated memory is still 142.6MB. Free memory was 74.8MB in the beginning and 74.5MB in the end (delta: 279.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 04:39:36,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/bary_diverge.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b9d207296596aa3375527680ff88bb2bc1830663ee47f0fb08df7239383517f9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:39:38,149 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:39:38,221 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 04:39:38,244 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:39:38,244 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:39:38,244 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:39:38,245 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:39:38,245 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:39:38,245 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:39:38,245 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:39:38,245 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:39:38,245 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:39:38,246 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:39:38,246 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:39:38,246 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:39:38,246 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:39:38,246 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 04:39:38,246 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 04:39:38,246 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 04:39:38,246 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:39:38,246 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:39:38,246 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:39:38,247 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:39:38,247 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:39:38,247 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:39:38,247 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:39:38,247 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:39:38,247 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 04:39:38,247 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:39:38,247 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:39:38,247 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:39:38,248 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:39:38,248 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:39:38,248 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 04:39:38,248 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:39:38,248 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 04:39:38,248 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9d207296596aa3375527680ff88bb2bc1830663ee47f0fb08df7239383517f9 [2024-12-06 04:39:38,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:39:38,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:39:38,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:39:38,490 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:39:38,490 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:39:38,492 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-benchs/bary_diverge.c [2024-12-06 04:39:41,257 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/data/5e79e6d7b/44953c09ae8a496f9a746f1f77787abe/FLAG74778efb7 [2024-12-06 04:39:41,422 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:39:41,423 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/sv-benchmarks/c/float-benchs/bary_diverge.c [2024-12-06 04:39:41,430 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/data/5e79e6d7b/44953c09ae8a496f9a746f1f77787abe/FLAG74778efb7 [2024-12-06 04:39:41,806 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/data/5e79e6d7b/44953c09ae8a496f9a746f1f77787abe [2024-12-06 04:39:41,808 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:39:41,809 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:39:41,810 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:39:41,810 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:39:41,815 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:39:41,815 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:39:41" (1/1) ... [2024-12-06 04:39:41,816 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29e1420b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:39:41, skipping insertion in model container [2024-12-06 04:39:41,816 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:39:41" (1/1) ... [2024-12-06 04:39:41,829 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:39:41,938 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/sv-benchmarks/c/float-benchs/bary_diverge.c[632,645] [2024-12-06 04:39:41,954 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:39:41,964 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:39:41,972 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/sv-benchmarks/c/float-benchs/bary_diverge.c[632,645] [2024-12-06 04:39:41,978 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:39:41,989 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:39:41,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:39:41 WrapperNode [2024-12-06 04:39:41,990 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:39:41,990 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:39:41,990 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:39:41,990 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:39:41,995 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:39:41" (1/1) ... [2024-12-06 04:39:42,002 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:39:41" (1/1) ... [2024-12-06 04:39:42,014 INFO L138 Inliner]: procedures = 18, calls = 16, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 69 [2024-12-06 04:39:42,014 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:39:42,014 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:39:42,014 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:39:42,015 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:39:42,019 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:39:41" (1/1) ... [2024-12-06 04:39:42,019 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:39:41" (1/1) ... [2024-12-06 04:39:42,021 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:39:41" (1/1) ... [2024-12-06 04:39:42,021 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:39:41" (1/1) ... [2024-12-06 04:39:42,027 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:39:41" (1/1) ... [2024-12-06 04:39:42,028 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:39:41" (1/1) ... [2024-12-06 04:39:42,031 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:39:41" (1/1) ... [2024-12-06 04:39:42,032 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:39:41" (1/1) ... [2024-12-06 04:39:42,033 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:39:41" (1/1) ... [2024-12-06 04:39:42,035 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:39:42,036 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:39:42,036 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:39:42,036 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:39:42,037 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:39:41" (1/1) ... [2024-12-06 04:39:42,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:39:42,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:39:42,060 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:39:42,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:39:42,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:39:42,081 INFO L130 BoogieDeclarations]: Found specification of procedure RANDOM_INPUT [2024-12-06 04:39:42,081 INFO L138 BoogieDeclarations]: Found implementation of procedure RANDOM_INPUT [2024-12-06 04:39:42,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 04:39:42,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:39:42,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:39:42,142 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:39:42,143 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:39:48,813 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-12-06 04:39:48,813 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:39:48,849 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:39:48,850 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 04:39:48,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:39:48 BoogieIcfgContainer [2024-12-06 04:39:48,850 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:39:48,851 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:39:48,851 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:39:48,860 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:39:48,860 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:39:48" (1/1) ... [2024-12-06 04:39:48,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:39:48,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:39:48,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-12-06 04:39:48,908 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-12-06 04:39:48,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:39:48,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:39:48,912 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:39:48,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:39:48,914 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:39:48,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 04:39:49,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:39:49,504 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:39:49,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:39:49,538 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:39:49,543 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:39:49,958 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:39:49,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 04:39:55,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.35s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:40:01,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.46s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:40:01,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:01,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:01,425 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:01,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:01,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:01,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:01,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:01,428 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:01,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 04:40:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:02,016 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:02,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:02,035 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:02,037 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:02,210 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:02,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 04:40:02,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:02,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:02,351 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:02,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:02,352 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:02,352 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:02,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:02,354 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:02,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 04:40:02,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:02,931 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:02,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:02,951 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:02,952 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:03,100 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:03,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 04:40:03,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:03,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:03,116 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:03,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:03,117 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:03,117 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:03,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:03,119 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:03,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 04:40:03,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:03,738 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:03,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:03,755 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:03,757 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:03,894 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:03,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 04:40:03,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:03,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:03,911 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:03,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:03,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:03,911 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:03,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:03,913 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:03,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 04:40:04,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:04,479 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:04,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:04,496 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:04,497 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:04,651 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:04,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-12-06 04:40:04,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:04,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:04,666 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:04,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:04,667 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:04,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:04,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:04,669 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:04,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 04:40:05,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:05,296 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:05,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:05,314 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:05,316 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:05,454 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:05,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 04:40:05,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:05,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:05,467 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:05,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:05,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:05,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:05,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:05,470 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:05,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 04:40:06,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:06,041 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:06,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:06,061 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:06,062 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:06,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:06,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 04:40:06,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:06,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:06,204 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:06,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:06,204 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:06,204 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:06,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:06,206 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:06,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 04:40:06,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:06,784 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:06,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:06,802 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:06,804 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:06,933 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:06,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 04:40:06,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:06,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:06,947 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:06,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:06,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:06,948 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:06,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:06,950 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:06,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 04:40:07,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:07,510 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:07,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:07,525 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:07,526 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:07,648 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:07,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 04:40:07,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:07,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:07,661 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:07,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:07,661 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:07,662 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:07,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:07,663 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:07,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 04:40:08,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:08,236 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:08,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:08,253 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:08,254 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:08,381 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:08,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 04:40:08,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:08,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:08,393 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:08,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:08,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:08,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:08,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:08,395 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:08,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 04:40:08,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:08,955 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:08,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:08,970 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:08,971 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:09,089 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:09,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 04:40:09,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:09,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:09,100 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:09,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:09,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:09,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:09,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:09,103 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:09,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 04:40:09,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:09,715 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:09,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:09,734 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:09,736 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:09,872 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:09,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 04:40:09,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:09,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:09,884 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:09,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:09,885 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:09,885 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:09,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:09,887 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:09,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 04:40:10,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:10,477 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:10,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:10,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:10,491 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:10,627 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:10,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 04:40:10,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:10,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:10,638 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:10,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:10,638 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:10,638 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:10,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:10,640 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:10,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 04:40:11,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:11,204 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:11,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:11,218 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:11,219 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:11,339 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:11,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 04:40:11,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:11,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:11,351 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:11,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:11,352 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:11,352 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:11,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:11,354 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:11,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 04:40:11,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:11,952 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:11,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:11,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:11,968 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:12,082 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:12,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 04:40:12,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:12,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:12,095 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:12,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:12,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:12,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:12,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:12,097 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:12,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 04:40:12,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:12,668 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:12,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:12,686 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:12,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:12,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:12,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 04:40:12,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:12,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:12,827 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:12,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:12,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:12,828 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:12,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:12,830 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:12,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 04:40:13,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:13,387 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:13,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:13,402 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:13,403 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:13,515 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:13,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 04:40:13,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:13,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:13,527 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:13,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:13,527 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:13,527 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:13,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:13,529 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:13,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 04:40:14,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:14,109 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:14,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:14,122 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:14,123 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:14,236 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:14,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 04:40:14,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:14,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:14,245 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:14,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:14,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:14,245 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:14,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:14,247 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:14,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 04:40:14,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:14,821 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:14,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:14,835 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:14,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:14,950 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:14,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 04:40:14,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:14,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:14,960 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:14,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:14,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:14,961 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:14,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:14,963 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:14,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 04:40:15,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:15,529 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:15,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:15,541 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:15,542 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:15,656 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:15,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-06 04:40:15,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:15,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:15,669 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:15,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:15,669 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:15,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:15,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:15,671 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:15,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 04:40:16,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:16,234 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:16,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:16,248 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:16,249 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:16,363 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:16,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-06 04:40:16,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:16,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:16,373 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:16,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:16,373 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:16,373 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:16,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:16,375 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:16,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-06 04:40:16,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:16,939 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:16,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:16,952 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:16,953 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:17,054 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:17,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-06 04:40:17,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:17,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:17,064 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:17,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:17,065 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:17,065 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:17,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:17,066 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:17,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-06 04:40:17,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:17,628 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:17,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:17,640 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:17,641 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:17,748 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:17,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-06 04:40:17,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:17,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:17,761 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:17,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:17,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:17,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:17,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:17,764 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:17,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-06 04:40:18,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:18,325 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:18,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:18,338 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:18,339 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:18,452 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:18,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-06 04:40:18,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:18,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:18,462 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:18,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:18,462 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:18,462 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:18,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:18,464 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:18,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-06 04:40:19,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:19,033 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:19,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:19,049 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:19,049 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:19,163 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:19,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-06 04:40:19,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:19,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:19,174 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:19,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:19,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:19,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:19,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:19,176 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:19,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-06 04:40:19,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:19,745 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:19,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:19,760 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:19,761 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:19,861 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:19,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-06 04:40:19,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:19,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:19,871 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:19,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:19,871 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:19,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:19,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:19,873 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:19,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-06 04:40:20,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:20,435 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:20,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:20,452 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:20,452 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:20,558 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:20,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-06 04:40:20,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:20,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:20,568 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:20,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:20,568 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:20,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:20,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:20,570 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:20,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-06 04:40:21,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:21,139 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:21,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:21,150 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:21,151 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:21,250 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:21,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-06 04:40:21,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:21,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:21,259 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:21,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:21,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:21,259 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:21,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:21,261 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:21,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-06 04:40:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:21,823 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:21,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:21,835 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:21,836 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:21,938 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:21,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-06 04:40:21,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:21,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:21,950 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:21,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:21,951 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:21,951 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:21,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:21,953 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:21,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-06 04:40:22,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:22,521 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:22,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:22,535 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:22,536 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:22,647 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:22,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-06 04:40:22,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:22,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:22,657 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:22,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:22,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:22,657 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:22,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:22,659 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:22,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-06 04:40:23,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:23,218 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:23,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:23,231 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:23,231 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:23,337 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:23,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-06 04:40:23,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:23,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:23,347 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:23,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:23,348 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:23,348 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:23,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:23,350 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:23,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-06 04:40:23,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:23,913 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:23,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:23,926 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:23,927 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:24,036 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:24,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-06 04:40:24,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:24,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:24,046 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:24,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:24,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:24,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:24,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:24,048 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:24,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-06 04:40:24,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:24,619 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:24,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:24,631 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:24,632 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:24,740 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:24,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-12-06 04:40:24,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:24,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:24,748 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:24,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:24,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:24,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:24,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:24,750 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:24,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-06 04:40:25,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:25,308 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:25,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:25,321 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:25,321 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:25,434 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:25,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-12-06 04:40:25,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:25,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:25,443 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:25,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:25,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:25,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:25,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:25,445 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:25,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-12-06 04:40:26,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:26,008 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:26,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:26,022 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:26,022 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:26,139 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:26,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-12-06 04:40:26,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:26,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:26,149 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:26,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:26,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:26,149 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:26,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:26,151 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:26,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-12-06 04:40:26,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:26,713 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:26,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:26,725 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:26,726 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:26,835 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:26,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-12-06 04:40:26,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:26,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:26,844 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:26,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:26,845 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:26,845 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:26,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:26,846 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:26,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-12-06 04:40:27,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:27,414 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:27,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:27,429 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:27,430 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:27,531 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:27,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-12-06 04:40:27,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:27,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:27,540 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:27,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:27,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:27,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:27,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:27,542 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:27,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-12-06 04:40:28,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:28,110 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:28,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:28,124 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:28,125 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:28,234 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:28,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-12-06 04:40:28,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:28,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:28,244 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:28,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:28,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:28,245 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:28,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:28,247 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:28,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-12-06 04:40:28,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:28,803 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:28,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:28,816 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:28,817 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:28,923 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:28,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Forceful destruction successful, exit code 0 [2024-12-06 04:40:28,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:28,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:28,931 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:28,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:28,932 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:28,932 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:28,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:28,933 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:28,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-12-06 04:40:29,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:29,505 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:29,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:29,518 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:29,518 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:29,623 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:29,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-12-06 04:40:29,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:29,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:29,633 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:29,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:29,633 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:29,633 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:29,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:29,635 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:29,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-12-06 04:40:30,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:30,210 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:30,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:30,225 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:30,226 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:30,330 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:30,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-12-06 04:40:30,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:30,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:30,339 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:30,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:30,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:30,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:30,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:30,341 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:30,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-12-06 04:40:30,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:30,910 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:30,923 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:30,924 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:31,046 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:31,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-12-06 04:40:31,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:31,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:31,055 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:31,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:31,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:31,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:31,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:31,057 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:31,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-12-06 04:40:31,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:31,632 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:31,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:31,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:31,646 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:31,754 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:31,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-12-06 04:40:31,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:31,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:31,766 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:31,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:31,767 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:31,767 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:31,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:31,769 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:31,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-12-06 04:40:32,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:32,334 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:32,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:32,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:32,348 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:32,461 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:32,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-12-06 04:40:32,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:32,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:32,470 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:32,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:32,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:32,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:32,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:32,472 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:32,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-12-06 04:40:33,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:33,037 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:33,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:33,051 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:33,052 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:33,165 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:33,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-12-06 04:40:33,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:33,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:33,174 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:33,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:33,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:33,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:33,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:33,176 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:33,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-12-06 04:40:33,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:33,727 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:33,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:33,739 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:33,740 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:33,848 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:33,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-12-06 04:40:33,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:33,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:33,858 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:33,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:33,858 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:33,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:33,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:33,860 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:33,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-12-06 04:40:34,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:34,467 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:34,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:34,479 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:34,480 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:34,587 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:34,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-12-06 04:40:34,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:34,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:34,596 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:34,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:34,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:34,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:34,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:34,598 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:34,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-12-06 04:40:35,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:35,190 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:35,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:35,205 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:35,205 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:35,310 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:35,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-12-06 04:40:35,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:35,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:35,320 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:35,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:35,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:35,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:35,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:35,322 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:35,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-12-06 04:40:35,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:35,878 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:35,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:35,892 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:35,893 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:36,008 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:36,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-12-06 04:40:36,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:36,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:36,017 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:36,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:36,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:36,017 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:36,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:36,019 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:36,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-12-06 04:40:36,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:36,597 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:36,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:36,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:36,613 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:36,716 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:36,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-12-06 04:40:36,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:36,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:36,726 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:36,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:36,726 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:36,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:36,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:36,728 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:36,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-12-06 04:40:37,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:37,306 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:37,321 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:37,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:37,426 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:37,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-12-06 04:40:37,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:37,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:37,436 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:37,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:37,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:37,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:37,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:37,438 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:37,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-12-06 04:40:38,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:38,014 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:38,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:38,026 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:38,027 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:38,132 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:38,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-12-06 04:40:38,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:38,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:38,142 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:38,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:38,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:38,142 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:38,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:38,144 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:38,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-12-06 04:40:38,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:38,726 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:38,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:38,739 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:38,740 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:38,850 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:38,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-12-06 04:40:38,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:38,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:38,860 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:38,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:38,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:38,861 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:38,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:38,863 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:38,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-12-06 04:40:39,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:39,448 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:39,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:39,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:39,463 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:39,575 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:39,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-12-06 04:40:39,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:39,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:39,586 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:39,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:39,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:39,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:39,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:39,589 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:39,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-12-06 04:40:40,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:40,166 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:40,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:40,181 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:40,182 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:40,283 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:40,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-12-06 04:40:40,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:40,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:40,295 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:40,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:40,296 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:40,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:40,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:40,297 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:40,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-12-06 04:40:40,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:40,869 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:40,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:40,885 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:40,886 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:41,006 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:41,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-12-06 04:40:41,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:41,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:41,018 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:41,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:41,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:41,018 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:41,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:41,020 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:41,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-12-06 04:40:41,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:41,661 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:41,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:41,675 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:41,676 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:41,787 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:41,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-12-06 04:40:41,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:41,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:41,797 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:41,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:41,797 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:41,797 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:41,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:41,799 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:41,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-12-06 04:40:42,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:42,401 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:42,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:42,412 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:42,413 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:42,519 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:42,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-12-06 04:40:42,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:42,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:42,527 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:42,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:42,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:42,528 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:42,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:42,529 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:42,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-12-06 04:40:43,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:43,173 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:43,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:43,187 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:43,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:43,305 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:43,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2024-12-06 04:40:43,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:43,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:43,313 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:43,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:43,314 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:43,314 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:43,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:43,315 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:43,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-12-06 04:40:43,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:43,986 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:43,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:43,999 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:43,999 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:44,111 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:44,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-12-06 04:40:44,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:44,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:44,120 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:44,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:44,121 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:44,121 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:44,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:44,123 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:44,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-12-06 04:40:44,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:44,797 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:44,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:44,809 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:44,810 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:44,932 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:44,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2024-12-06 04:40:44,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:44,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:44,941 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:44,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:44,941 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:44,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:44,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:44,944 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:44,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-12-06 04:40:45,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:45,672 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:45,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:45,684 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:45,684 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:45,815 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:45,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2024-12-06 04:40:45,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:45,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:45,825 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:45,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:45,825 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:45,825 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:45,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:45,827 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:45,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-12-06 04:40:46,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:46,355 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:46,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:46,367 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:46,368 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:46,464 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:46,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2024-12-06 04:40:46,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:46,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:46,473 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:46,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:46,473 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:46,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:46,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:46,475 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:46,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-12-06 04:40:47,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:47,034 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:47,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:47,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:47,047 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:47,148 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:47,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2024-12-06 04:40:47,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:47,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:47,160 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:47,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:47,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:47,160 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:47,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:47,162 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:47,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-12-06 04:40:47,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:47,697 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:47,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:47,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:47,710 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:47,799 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:47,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (66)] Forceful destruction successful, exit code 0 [2024-12-06 04:40:47,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:47,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:47,807 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:47,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:47,807 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:47,807 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:47,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:47,809 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:47,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-12-06 04:40:48,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:48,419 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:48,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:48,430 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:48,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:48,542 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:48,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2024-12-06 04:40:48,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:48,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:48,552 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:48,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:48,553 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:48,553 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:48,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:48,554 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:48,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-12-06 04:40:49,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:49,234 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:49,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:49,247 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:49,248 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:49,366 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:49,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-12-06 04:40:49,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:49,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:49,376 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:49,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:49,377 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:49,377 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:49,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:49,378 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:49,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-12-06 04:40:50,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:50,054 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:50,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:50,066 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:50,067 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:50,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:50,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (69)] Forceful destruction successful, exit code 0 [2024-12-06 04:40:50,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:50,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:50,187 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:50,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:50,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:50,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:50,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:50,189 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:50,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-12-06 04:40:50,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:50,870 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:50,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:50,886 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:50,887 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:51,013 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:51,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2024-12-06 04:40:51,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:51,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:51,023 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:51,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:51,024 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:51,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:51,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:51,026 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:51,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-12-06 04:40:51,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:51,736 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:51,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:51,748 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:51,749 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:51,854 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:51,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2024-12-06 04:40:51,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:51,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:51,864 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:51,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:51,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:51,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:51,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:51,866 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:51,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-12-06 04:40:52,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:52,524 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:52,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:52,536 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:52,537 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:52,633 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:52,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2024-12-06 04:40:52,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:52,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:52,642 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:52,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:52,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:52,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:52,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:52,644 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:52,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-12-06 04:40:53,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:53,291 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:53,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:53,303 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:53,304 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:53,415 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:53,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2024-12-06 04:40:53,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:53,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:53,423 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:53,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:53,424 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:53,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:53,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:53,425 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:53,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-12-06 04:40:54,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:54,046 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:54,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:54,060 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:54,061 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:54,179 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:54,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2024-12-06 04:40:54,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:54,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:54,191 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:54,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:54,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:54,191 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:54,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:54,193 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:54,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-12-06 04:40:54,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:54,833 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:54,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:54,846 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:54,847 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:54,948 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:54,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (75)] Forceful destruction successful, exit code 0 [2024-12-06 04:40:54,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:54,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:54,957 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:54,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:54,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:54,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:54,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:54,959 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:54,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-12-06 04:40:55,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:55,554 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:55,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:55,566 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:55,567 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:55,666 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:55,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2024-12-06 04:40:55,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:55,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:55,674 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:55,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:55,674 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:55,674 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:55,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:55,676 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:55,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-12-06 04:40:56,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:56,257 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:56,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:56,269 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:56,269 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:56,364 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:56,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (77)] Forceful destruction successful, exit code 0 [2024-12-06 04:40:56,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:56,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:56,374 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:56,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:56,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:56,374 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:56,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:56,375 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:56,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-12-06 04:40:56,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:56,984 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:56,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:56,996 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:56,997 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:57,117 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:57,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2024-12-06 04:40:57,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:57,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:57,126 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:57,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:57,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:57,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:57,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:57,128 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:57,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-12-06 04:40:57,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:57,731 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:57,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:57,744 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:57,745 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:57,860 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:57,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2024-12-06 04:40:57,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:57,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:57,869 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:57,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:57,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:57,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:57,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:57,871 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:57,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-12-06 04:40:58,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:58,493 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:58,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:58,506 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:58,507 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:58,608 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:58,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2024-12-06 04:40:58,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:58,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:58,617 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:58,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:58,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:58,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:58,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:58,618 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:58,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-12-06 04:40:59,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:59,241 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:59,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:59,254 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:40:59,255 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:59,361 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:40:59,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2024-12-06 04:40:59,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:59,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:40:59,372 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:40:59,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:40:59,372 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:59,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:59,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:59,374 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:59,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-12-06 04:41:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:00,084 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:00,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:00,097 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:00,098 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:00,214 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:00,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2024-12-06 04:41:00,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:00,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:00,222 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:00,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:00,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:00,223 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:00,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:00,224 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:00,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-12-06 04:41:00,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:00,909 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:00,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:00,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:00,923 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:01,042 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:01,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2024-12-06 04:41:01,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:01,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:01,054 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:01,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:01,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:01,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:01,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:01,057 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:01,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-12-06 04:41:01,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:01,793 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:01,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:01,805 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:01,806 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:01,923 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:01,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2024-12-06 04:41:01,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:01,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:01,933 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:01,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:01,933 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:01,933 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:01,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:01,935 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:01,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-12-06 04:41:02,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:02,531 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:02,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:02,546 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:02,547 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:02,642 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:02,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (85)] Forceful destruction successful, exit code 0 [2024-12-06 04:41:02,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:02,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:02,651 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:02,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:02,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:02,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:02,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:02,653 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:02,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-12-06 04:41:03,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:03,193 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:03,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:03,206 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:03,207 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:03,315 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:03,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2024-12-06 04:41:03,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:03,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:03,324 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:03,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:03,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:03,324 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:03,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:03,326 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:03,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-12-06 04:41:03,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:03,861 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:03,875 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:03,876 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:03,974 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:03,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2024-12-06 04:41:03,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:03,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:03,983 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:03,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:03,983 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:03,983 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:03,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:03,985 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:03,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-12-06 04:41:04,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:04,570 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:04,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:04,583 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:04,584 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:04,695 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:04,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2024-12-06 04:41:04,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:04,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:04,704 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:04,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:04,704 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:04,704 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:04,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:04,706 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:04,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-12-06 04:41:05,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:05,393 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:05,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:05,406 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:05,406 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:05,513 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:05,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2024-12-06 04:41:05,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:05,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:05,522 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:05,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:05,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:05,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:05,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:05,524 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:05,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-12-06 04:41:06,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:06,189 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:06,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:06,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:06,204 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:06,311 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:06,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2024-12-06 04:41:06,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:06,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:06,321 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:06,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:06,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:06,321 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:06,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:06,323 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:06,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-12-06 04:41:06,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:06,986 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:06,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:06,999 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:07,000 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:07,110 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:07,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2024-12-06 04:41:07,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:07,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:07,120 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:07,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:07,120 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:07,120 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:07,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:07,121 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:07,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-12-06 04:41:07,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:07,796 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:07,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:07,810 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:07,810 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:07,936 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:07,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2024-12-06 04:41:07,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:07,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:07,944 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:07,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:07,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:07,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:07,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:07,946 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:07,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-12-06 04:41:08,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:08,495 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:08,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:08,508 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:08,508 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:08,602 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:08,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2024-12-06 04:41:08,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:08,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:08,610 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:08,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:08,610 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:08,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:08,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:08,612 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:08,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2024-12-06 04:41:09,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:09,154 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:09,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:09,166 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:09,166 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:09,259 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:09,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2024-12-06 04:41:09,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:09,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:09,267 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:09,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:09,267 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:09,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:09,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:09,269 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:09,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2024-12-06 04:41:09,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:09,812 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:09,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:09,823 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:09,824 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:09,913 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:09,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2024-12-06 04:41:09,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:09,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:09,922 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:09,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:09,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:09,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:09,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:09,923 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:09,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2024-12-06 04:41:10,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:10,578 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:10,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:10,591 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:10,592 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:10,708 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:10,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2024-12-06 04:41:10,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:10,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:10,718 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:10,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:10,719 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:10,719 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:10,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:10,721 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:10,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2024-12-06 04:41:11,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:11,345 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:11,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:11,358 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:11,359 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:11,463 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:11,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2024-12-06 04:41:11,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:11,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:11,475 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:11,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:11,475 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:11,475 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:11,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:11,477 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:11,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2024-12-06 04:41:12,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:12,064 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:12,077 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:12,077 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:12,188 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:12,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2024-12-06 04:41:12,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:12,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:12,198 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:12,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:12,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:12,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:12,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:12,200 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:12,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2024-12-06 04:41:12,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:12,871 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:12,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:12,885 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:12,886 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:13,016 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:13,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (99)] Forceful destruction successful, exit code 0 [2024-12-06 04:41:13,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:13,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:13,027 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:13,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:13,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:13,027 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:13,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:13,029 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:13,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2024-12-06 04:41:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:13,730 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:13,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:13,742 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:13,743 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:13,868 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:13,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2024-12-06 04:41:13,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:13,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:13,879 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:13,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:13,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:13,879 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:13,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:13,881 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:13,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2024-12-06 04:41:14,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:14,595 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:14,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:14,609 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:14,610 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:14,725 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:14,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2024-12-06 04:41:14,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:14,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:14,735 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:14,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:14,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:14,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:14,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:14,737 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:14,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2024-12-06 04:41:15,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:15,367 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:15,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:15,379 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:15,380 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:15,471 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:15,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2024-12-06 04:41:15,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:15,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:15,479 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:15,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:15,479 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:15,479 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:15,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:15,481 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:15,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2024-12-06 04:41:16,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:16,020 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:16,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:16,032 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:16,032 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:16,128 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:16,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2024-12-06 04:41:16,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:16,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:16,137 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:16,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:16,137 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:16,137 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:16,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:16,138 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:16,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2024-12-06 04:41:16,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:16,690 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:16,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:16,702 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:16,703 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:16,798 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:16,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2024-12-06 04:41:16,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:16,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:16,806 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:16,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:16,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:16,807 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:16,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:16,808 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:16,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2024-12-06 04:41:17,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:17,345 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:17,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:17,357 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:17,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:17,464 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:17,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2024-12-06 04:41:17,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:17,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:17,474 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:17,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:17,474 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:17,474 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:17,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:17,476 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:17,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2024-12-06 04:41:18,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:18,092 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:18,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:18,104 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:18,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:18,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:18,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2024-12-06 04:41:18,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:18,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:18,228 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:18,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:18,228 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:18,228 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:18,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:18,230 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:18,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2024-12-06 04:41:18,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:18,921 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:18,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:18,934 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:18,935 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:19,045 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:19,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2024-12-06 04:41:19,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:19,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:19,053 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:19,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:19,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:19,054 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:19,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:19,055 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:19,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2024-12-06 04:41:19,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:19,741 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:19,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:19,755 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:19,756 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:19,865 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:19,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2024-12-06 04:41:19,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:19,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:19,876 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:19,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:19,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:19,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:19,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:19,878 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:19,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2024-12-06 04:41:20,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:20,583 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:20,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:20,595 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:20,596 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:20,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:20,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2024-12-06 04:41:20,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:20,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:20,715 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:20,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:20,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:20,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:20,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:20,717 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:20,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2024-12-06 04:41:21,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:21,374 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:21,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:21,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:21,386 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:21,498 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:21,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2024-12-06 04:41:21,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:21,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:21,507 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:21,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:21,507 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:21,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:21,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:21,509 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:21,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2024-12-06 04:41:22,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:22,190 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:22,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:22,202 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:22,202 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:22,315 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:22,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2024-12-06 04:41:22,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:22,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:22,325 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:22,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:22,325 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:22,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:22,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:22,327 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:22,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2024-12-06 04:41:23,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:23,004 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:23,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:23,016 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:23,017 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:23,132 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:23,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2024-12-06 04:41:23,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:23,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:23,142 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:23,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:23,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:23,142 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:23,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:23,144 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:23,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2024-12-06 04:41:23,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:23,845 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:23,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:23,858 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:23,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:23,968 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:23,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2024-12-06 04:41:23,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:23,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:23,977 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:23,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:23,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:23,978 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:23,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:23,979 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:23,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2024-12-06 04:41:24,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:24,528 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:24,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:24,539 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:24,540 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:24,631 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:24,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2024-12-06 04:41:24,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:24,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:24,639 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:24,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:24,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:24,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:24,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:24,641 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:24,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2024-12-06 04:41:25,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:25,206 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:25,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:25,218 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:25,219 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:25,309 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:25,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (115)] Forceful destruction successful, exit code 0 [2024-12-06 04:41:25,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:25,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:25,320 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:25,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:25,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:25,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:25,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:25,321 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:25,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2024-12-06 04:41:25,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:25,862 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:25,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:25,873 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:25,874 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:25,986 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:25,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2024-12-06 04:41:25,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:25,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:25,995 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:25,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:25,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:25,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:25,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:25,997 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:25,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2024-12-06 04:41:26,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:26,680 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:26,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:26,692 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:26,693 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:26,805 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:26,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (117)] Forceful destruction successful, exit code 0 [2024-12-06 04:41:26,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:26,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:26,813 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:26,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:26,813 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:26,813 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:26,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:26,815 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:26,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2024-12-06 04:41:27,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:27,489 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:27,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:27,500 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:27,501 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:27,619 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:27,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2024-12-06 04:41:27,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:27,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:27,628 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:27,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:27,628 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:27,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:27,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:27,630 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:27,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2024-12-06 04:41:28,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:28,315 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:28,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:28,328 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:28,329 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:28,445 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:28,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2024-12-06 04:41:28,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:28,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:28,454 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:28,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:28,454 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:28,455 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:28,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:28,456 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:28,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2024-12-06 04:41:29,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:29,061 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:29,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:29,074 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:29,075 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:29,180 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:29,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2024-12-06 04:41:29,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:29,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:29,193 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:29,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:29,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:29,194 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:29,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:29,195 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:29,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2024-12-06 04:41:29,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:29,851 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:29,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:29,863 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:29,864 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:29,977 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:29,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2024-12-06 04:41:29,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:29,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:29,986 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:29,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:29,986 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:29,986 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:29,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:29,988 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:29,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2024-12-06 04:41:30,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:30,701 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:30,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:30,713 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:30,714 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:30,816 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:30,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2024-12-06 04:41:30,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:30,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:30,825 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:30,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:30,825 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:30,825 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:30,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:30,827 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:30,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2024-12-06 04:41:31,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:31,547 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:31,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:31,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:31,562 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:31,684 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:31,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2024-12-06 04:41:31,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:31,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:31,693 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:31,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:31,693 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:31,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:31,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:31,695 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:31,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2024-12-06 04:41:32,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:32,413 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:32,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:32,425 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:32,426 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:32,523 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:32,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2024-12-06 04:41:32,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:32,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:32,531 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:32,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:32,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:32,531 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:32,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:32,533 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:32,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2024-12-06 04:41:33,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:33,092 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:33,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:33,105 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:33,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:33,198 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:33,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2024-12-06 04:41:33,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:33,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:33,209 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:33,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:33,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:33,209 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:33,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:33,211 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:33,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2024-12-06 04:41:33,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:33,780 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:33,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:33,791 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:33,792 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:33,889 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:33,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2024-12-06 04:41:33,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:33,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:33,899 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:33,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:33,900 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:33,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:33,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:33,901 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:33,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2024-12-06 04:41:34,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:34,442 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:34,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:34,453 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:34,454 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:34,548 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:34,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2024-12-06 04:41:34,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:34,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:34,557 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:34,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:34,557 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:34,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:34,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:34,559 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:34,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2024-12-06 04:41:35,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:35,228 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:35,240 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:35,241 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:35,356 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:35,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2024-12-06 04:41:35,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:35,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:35,365 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:35,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:35,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:35,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:35,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:35,367 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:35,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2024-12-06 04:41:36,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:36,047 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:36,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:36,061 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:36,062 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:36,171 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:36,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (129)] Ended with exit code 0 [2024-12-06 04:41:36,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:36,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:36,180 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:36,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:36,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:36,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:36,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:36,182 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:36,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2024-12-06 04:41:36,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:36,877 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:36,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:36,889 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:36,890 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:37,007 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:37,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2024-12-06 04:41:37,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:37,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:37,020 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:37,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:37,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:37,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:37,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:37,022 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:37,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2024-12-06 04:41:37,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:37,658 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:37,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:37,670 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:37,671 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:37,777 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:37,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2024-12-06 04:41:37,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:37,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:37,786 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:37,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:37,786 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:37,787 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:37,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:37,788 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:37,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2024-12-06 04:41:38,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:38,443 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:38,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:38,455 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:38,456 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:38,564 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:38,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2024-12-06 04:41:38,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:38,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:38,574 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:38,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:38,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:38,574 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:38,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:38,576 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:38,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2024-12-06 04:41:39,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:39,268 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:39,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:39,281 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:39,281 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:39,397 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:39,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2024-12-06 04:41:39,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:39,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:39,406 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:39,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:39,406 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:39,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:39,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:39,408 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:39,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2024-12-06 04:41:40,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:40,119 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:40,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:40,132 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:40,133 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:40,257 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:40,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2024-12-06 04:41:40,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:40,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:40,267 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:40,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:40,268 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:40,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:40,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:40,270 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:40,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2024-12-06 04:41:41,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:41,013 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:41,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:41,031 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:41,031 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:41,148 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:41,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2024-12-06 04:41:41,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:41,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:41,162 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:41,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:41,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:41,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:41,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:41,164 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:41,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2024-12-06 04:41:41,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:41,749 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:41,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:41,762 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:41,763 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:41,857 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:41,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (136)] Forceful destruction successful, exit code 0 [2024-12-06 04:41:41,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:41,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:41,866 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:41,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:41,866 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:41,866 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:41,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:41,867 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:41,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2024-12-06 04:41:42,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:42,464 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:42,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:42,478 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:42,479 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:42,569 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:42,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2024-12-06 04:41:42,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:42,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:42,580 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:42,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:42,580 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:42,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:42,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:42,582 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:42,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2024-12-06 04:41:43,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:43,125 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:43,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:43,136 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:43,137 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:43,233 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:43,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2024-12-06 04:41:43,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:43,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:43,243 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:43,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:43,243 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:43,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:43,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:43,244 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:43,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2024-12-06 04:41:43,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:43,924 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:43,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:43,935 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:43,936 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:44,047 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:44,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2024-12-06 04:41:44,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:44,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:44,057 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:44,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:44,057 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:44,057 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:44,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:44,059 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:44,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2024-12-06 04:41:44,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:44,762 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:44,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:44,775 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:44,776 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:44,895 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:44,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2024-12-06 04:41:44,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:44,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:44,908 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:44,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:44,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:44,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:44,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:44,910 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:44,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2024-12-06 04:41:45,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:45,640 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:45,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:45,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:45,653 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:45,770 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:45,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2024-12-06 04:41:45,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:45,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:45,781 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:45,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:45,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:45,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:45,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:45,783 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:45,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2024-12-06 04:41:46,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:46,488 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:46,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:46,500 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:46,501 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:46,616 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:46,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2024-12-06 04:41:46,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:46,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:46,625 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:46,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:46,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:46,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:46,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:46,627 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:46,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2024-12-06 04:41:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:47,336 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:47,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:47,349 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:47,350 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:47,468 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:47,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2024-12-06 04:41:47,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:47,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:47,478 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:47,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:47,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:47,478 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:47,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:47,480 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:47,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2024-12-06 04:41:48,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:48,203 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:48,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:48,216 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:48,217 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:48,334 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:48,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2024-12-06 04:41:48,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:48,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:48,343 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:48,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:48,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:48,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:48,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:48,345 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:48,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2024-12-06 04:41:49,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:49,058 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:49,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:49,071 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:49,072 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:49,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:49,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2024-12-06 04:41:49,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:49,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:49,200 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:49,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:49,200 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:49,200 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:49,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:49,202 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:49,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2024-12-06 04:41:49,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:49,917 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:49,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:49,929 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:49,930 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:50,039 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:50,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2024-12-06 04:41:50,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:50,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:50,048 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:50,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:50,048 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:50,048 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:50,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:50,050 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:50,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2024-12-06 04:41:50,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:50,742 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:50,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:50,756 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:50,757 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:50,872 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:50,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2024-12-06 04:41:50,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:50,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:50,881 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:50,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:50,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:50,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:50,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:50,883 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:50,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2024-12-06 04:41:51,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:51,604 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:51,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:51,619 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:51,620 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:51,736 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:51,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2024-12-06 04:41:51,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:51,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:51,746 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:51,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:51,746 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:51,746 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:51,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:51,748 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:51,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2024-12-06 04:41:52,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:52,422 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:52,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:52,433 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:52,434 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:52,535 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:52,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2024-12-06 04:41:52,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:52,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:52,545 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:52,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:52,545 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:52,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:52,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:52,547 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:52,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2024-12-06 04:41:53,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:53,146 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:53,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:53,159 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:53,160 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:53,268 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:53,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2024-12-06 04:41:53,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:53,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:53,277 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:53,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:53,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:53,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:53,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:53,278 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:53,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2024-12-06 04:41:53,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:53,882 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:53,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:53,895 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:53,896 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:53,997 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:54,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (151)] Ended with exit code 0 [2024-12-06 04:41:54,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:54,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:54,005 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:54,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:54,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:54,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:54,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:54,007 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:54,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2024-12-06 04:41:54,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:54,654 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:54,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:54,665 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:54,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:54,774 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:54,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (152)] Ended with exit code 0 [2024-12-06 04:41:54,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:54,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:54,784 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:54,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:54,784 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:54,784 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:54,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:54,786 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:54,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2024-12-06 04:41:55,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:55,374 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:55,386 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:55,387 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:55,494 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:55,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (153)] Ended with exit code 0 [2024-12-06 04:41:55,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:55,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:55,504 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:55,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:55,504 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:55,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:55,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:55,506 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:55,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2024-12-06 04:41:56,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:56,141 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:56,153 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:56,153 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:56,263 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:56,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (154)] Ended with exit code 0 [2024-12-06 04:41:56,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:56,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:56,272 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:56,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:56,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:56,272 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:56,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:56,274 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:56,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2024-12-06 04:41:56,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:56,950 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:56,962 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:56,963 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:57,076 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:57,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (155)] Ended with exit code 0 [2024-12-06 04:41:57,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:57,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:57,085 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:57,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:57,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:57,085 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:57,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:57,087 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:57,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2024-12-06 04:41:57,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:57,751 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:57,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:57,764 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:57,765 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:57,881 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:57,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (156)] Ended with exit code 0 [2024-12-06 04:41:57,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:57,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:57,890 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:57,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:57,890 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:57,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:57,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:57,891 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:57,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2024-12-06 04:41:58,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:58,621 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:58,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:58,633 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:58,634 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:58,742 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:58,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (157)] Ended with exit code 0 [2024-12-06 04:41:58,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:58,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:58,750 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:58,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:58,750 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:58,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:58,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:58,752 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:58,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2024-12-06 04:41:59,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:59,490 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:59,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:59,503 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:41:59,504 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:59,616 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:41:59,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (158)] Ended with exit code 0 [2024-12-06 04:41:59,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:59,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:41:59,625 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:41:59,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:41:59,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:59,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:59,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:59,627 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:59,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2024-12-06 04:42:00,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:00,235 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:00,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:00,248 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:00,248 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:00,341 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:00,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (159)] Ended with exit code 0 [2024-12-06 04:42:00,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:00,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:00,349 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:00,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:00,349 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:00,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:00,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:00,351 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:00,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2024-12-06 04:42:00,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:00,954 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:00,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:00,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:00,967 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:01,066 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:01,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (160)] Ended with exit code 0 [2024-12-06 04:42:01,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:01,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:01,074 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:01,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:01,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:01,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:01,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:01,076 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:01,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (161)] Waiting until timeout for monitored process [2024-12-06 04:42:01,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:01,655 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:01,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:01,666 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:01,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:01,747 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:01,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (161)] Ended with exit code 0 [2024-12-06 04:42:01,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:01,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:01,755 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:01,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:01,755 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:01,755 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:01,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:01,757 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:01,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (162)] Waiting until timeout for monitored process [2024-12-06 04:42:02,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:02,456 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:02,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:02,468 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:02,469 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:02,572 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:02,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (162)] Ended with exit code 0 [2024-12-06 04:42:02,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:02,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:02,581 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:02,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:02,581 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:02,581 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:02,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:02,583 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:02,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2024-12-06 04:42:03,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:03,289 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:03,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:03,303 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:03,303 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:03,421 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:03,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (163)] Forceful destruction successful, exit code 0 [2024-12-06 04:42:03,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:03,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:03,430 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:03,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:03,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:03,430 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:03,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:03,432 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:03,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (164)] Waiting until timeout for monitored process [2024-12-06 04:42:04,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:04,146 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:04,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:04,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:04,158 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:04,267 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:04,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (164)] Ended with exit code 0 [2024-12-06 04:42:04,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:04,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:04,277 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:04,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:04,278 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:04,278 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:04,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:04,279 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:04,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (165)] Waiting until timeout for monitored process [2024-12-06 04:42:04,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:04,939 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:04,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:04,951 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:04,952 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:05,063 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:05,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (165)] Ended with exit code 0 [2024-12-06 04:42:05,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:05,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:05,073 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:05,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:05,073 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:05,073 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:05,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:05,074 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:05,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (166)] Waiting until timeout for monitored process [2024-12-06 04:42:05,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:05,737 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:05,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:05,748 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:05,749 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:05,854 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:05,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (166)] Ended with exit code 0 [2024-12-06 04:42:05,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:05,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:05,862 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:05,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:05,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:05,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:05,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:05,864 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:05,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (167)] Waiting until timeout for monitored process [2024-12-06 04:42:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:06,571 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:06,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:06,583 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:06,584 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:06,697 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:06,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (167)] Ended with exit code 0 [2024-12-06 04:42:06,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:06,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:06,706 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:06,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:06,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:06,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:06,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:06,708 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:06,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (168)] Waiting until timeout for monitored process [2024-12-06 04:42:07,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:07,420 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:07,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:07,433 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:07,433 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:07,541 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:07,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (168)] Ended with exit code 0 [2024-12-06 04:42:07,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:07,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:07,550 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:07,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:07,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:07,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:07,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:07,552 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:07,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (169)] Waiting until timeout for monitored process [2024-12-06 04:42:08,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:08,251 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:08,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:08,266 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:08,267 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:08,378 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:08,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (169)] Ended with exit code 0 [2024-12-06 04:42:08,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:08,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:08,388 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:08,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:08,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:08,389 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:08,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:08,390 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:08,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (170)] Waiting until timeout for monitored process [2024-12-06 04:42:09,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:09,101 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:09,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:09,118 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:09,119 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:09,230 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:09,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (170)] Ended with exit code 0 [2024-12-06 04:42:09,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:09,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:09,240 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:09,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:09,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:09,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:09,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:09,242 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:09,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (171)] Waiting until timeout for monitored process [2024-12-06 04:42:09,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:09,931 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:09,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:09,944 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:09,945 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:10,054 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:10,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (171)] Ended with exit code 0 [2024-12-06 04:42:10,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:10,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:10,063 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:10,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:10,063 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:10,063 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:10,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:10,065 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:10,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (172)] Waiting until timeout for monitored process [2024-12-06 04:42:10,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:10,800 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:10,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:10,813 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:10,814 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:10,931 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:10,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (172)] Ended with exit code 0 [2024-12-06 04:42:10,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:10,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:10,942 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:10,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:10,942 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:10,942 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:10,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:10,944 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:10,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (173)] Waiting until timeout for monitored process [2024-12-06 04:42:11,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:11,637 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:11,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:11,651 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:11,652 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:11,769 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:11,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (173)] Ended with exit code 0 [2024-12-06 04:42:11,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:11,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:11,779 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:11,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:11,780 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:11,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:11,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:11,781 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:11,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (174)] Waiting until timeout for monitored process [2024-12-06 04:42:12,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:12,504 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:12,517 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:12,518 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:12,621 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:12,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (174)] Ended with exit code 0 [2024-12-06 04:42:12,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:12,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:12,631 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:12,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:12,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:12,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:12,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:12,632 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:12,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (175)] Waiting until timeout for monitored process [2024-12-06 04:42:13,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:13,346 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:13,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:13,361 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:13,362 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:13,473 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:13,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (175)] Ended with exit code 0 [2024-12-06 04:42:13,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:13,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:13,483 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:13,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:13,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:13,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:13,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:13,485 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:13,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (176)] Waiting until timeout for monitored process [2024-12-06 04:42:14,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:14,208 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:14,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:14,222 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:14,222 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:14,335 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:14,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (176)] Ended with exit code 0 [2024-12-06 04:42:14,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:14,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:14,344 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:14,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:14,344 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:14,344 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:14,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:14,346 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:14,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (177)] Waiting until timeout for monitored process [2024-12-06 04:42:15,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:15,045 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:15,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:15,058 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:15,058 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:15,169 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:15,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (177)] Ended with exit code 0 [2024-12-06 04:42:15,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:15,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:15,179 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:15,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:15,179 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:15,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:15,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:15,181 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:15,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (178)] Waiting until timeout for monitored process [2024-12-06 04:42:15,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:15,889 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:15,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:15,903 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:15,904 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:16,013 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:16,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (178)] Ended with exit code 0 [2024-12-06 04:42:16,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:16,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:16,023 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:16,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:16,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:16,023 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:16,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:16,025 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:16,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (179)] Waiting until timeout for monitored process [2024-12-06 04:42:16,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:16,737 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:16,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:16,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:16,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:16,866 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:16,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (179)] Ended with exit code 0 [2024-12-06 04:42:16,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:16,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:16,875 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:16,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:16,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:16,875 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:16,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:16,877 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:16,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (180)] Waiting until timeout for monitored process [2024-12-06 04:42:17,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:17,586 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:17,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:17,600 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:17,600 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:17,715 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:17,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (180)] Ended with exit code 0 [2024-12-06 04:42:17,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:17,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:17,724 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:17,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:17,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:17,725 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:17,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:17,726 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:17,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (181)] Waiting until timeout for monitored process [2024-12-06 04:42:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:18,445 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:18,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:18,459 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:18,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:18,567 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:18,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (181)] Ended with exit code 0 [2024-12-06 04:42:18,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:18,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:18,577 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:18,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:18,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:18,577 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:18,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:18,578 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:18,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (182)] Waiting until timeout for monitored process [2024-12-06 04:42:19,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:19,319 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:19,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:19,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:19,335 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:19,437 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:19,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (182)] Ended with exit code 0 [2024-12-06 04:42:19,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:19,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:19,446 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:19,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:19,446 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:19,446 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:19,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:19,447 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:19,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (183)] Waiting until timeout for monitored process [2024-12-06 04:42:20,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:20,180 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:20,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:20,194 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:20,195 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:20,303 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:20,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (183)] Ended with exit code 0 [2024-12-06 04:42:20,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:20,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:20,313 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:20,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:20,313 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:20,313 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:20,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:20,315 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:20,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (184)] Waiting until timeout for monitored process [2024-12-06 04:42:21,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:21,040 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:21,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:21,054 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:21,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:21,177 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:21,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (184)] Ended with exit code 0 [2024-12-06 04:42:21,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:21,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:21,188 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:21,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:21,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:21,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:21,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:21,190 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:21,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (185)] Waiting until timeout for monitored process [2024-12-06 04:42:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:21,918 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:21,931 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:21,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:22,034 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:22,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (185)] Ended with exit code 0 [2024-12-06 04:42:22,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:22,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:22,044 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:22,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:22,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:22,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:22,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:22,046 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:22,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (186)] Waiting until timeout for monitored process [2024-12-06 04:42:22,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:22,796 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:22,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:22,810 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:22,810 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:22,919 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:22,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (186)] Ended with exit code 0 [2024-12-06 04:42:22,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:22,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:22,929 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:22,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:22,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:22,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:22,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:22,931 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:22,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (187)] Waiting until timeout for monitored process [2024-12-06 04:42:23,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:23,656 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:23,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:23,670 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:23,671 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:23,776 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:23,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (187)] Ended with exit code 0 [2024-12-06 04:42:23,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:23,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:23,785 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:23,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:23,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:23,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:23,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:23,787 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:23,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (188)] Waiting until timeout for monitored process [2024-12-06 04:42:24,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:24,434 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:24,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:24,447 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:24,448 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:24,558 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:24,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (188)] Ended with exit code 0 [2024-12-06 04:42:24,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:24,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:24,567 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:24,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:24,567 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:24,567 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:24,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:24,569 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:24,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (189)] Waiting until timeout for monitored process [2024-12-06 04:42:25,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:25,355 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:25,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:25,369 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:25,370 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:25,492 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:25,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (189)] Ended with exit code 0 [2024-12-06 04:42:25,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:25,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:25,503 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:25,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:25,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:25,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:25,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:25,505 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:25,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (190)] Waiting until timeout for monitored process [2024-12-06 04:42:26,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:26,330 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:26,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:26,346 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:26,347 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:26,463 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:26,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (190)] Ended with exit code 0 [2024-12-06 04:42:26,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:26,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:26,472 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:26,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:26,472 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:26,472 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:26,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:26,474 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:26,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (191)] Waiting until timeout for monitored process [2024-12-06 04:42:27,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:27,276 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:27,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:27,290 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:27,291 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:27,404 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:27,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (191)] Ended with exit code 0 [2024-12-06 04:42:27,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:27,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:27,413 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:27,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:27,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:27,414 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:27,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:27,415 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:27,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (192)] Waiting until timeout for monitored process [2024-12-06 04:42:28,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:28,237 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:28,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:28,251 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:28,252 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:28,371 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:28,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (192)] Ended with exit code 0 [2024-12-06 04:42:28,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:28,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:28,380 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:28,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:28,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:28,380 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:28,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:28,382 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:28,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (193)] Waiting until timeout for monitored process [2024-12-06 04:42:29,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:29,235 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:29,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:29,250 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:29,251 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:29,365 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:29,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (193)] Ended with exit code 0 [2024-12-06 04:42:29,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:29,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:29,376 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:29,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:29,376 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:29,376 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:29,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:29,378 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:29,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (194)] Waiting until timeout for monitored process [2024-12-06 04:42:30,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:30,207 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:30,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:30,221 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:30,222 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:30,344 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:30,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (194)] Forceful destruction successful, exit code 0 [2024-12-06 04:42:30,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:30,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:30,354 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:30,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:30,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:30,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:30,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:30,356 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:30,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (195)] Waiting until timeout for monitored process [2024-12-06 04:42:31,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:31,163 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:31,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:31,176 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:31,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:31,276 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:31,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (195)] Ended with exit code 0 [2024-12-06 04:42:31,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:31,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:31,285 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:31,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:31,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:31,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:31,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:31,287 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:31,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (196)] Waiting until timeout for monitored process [2024-12-06 04:42:32,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:32,125 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:32,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:32,140 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:32,141 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:32,251 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:32,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (196)] Ended with exit code 0 [2024-12-06 04:42:32,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:32,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:32,261 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:32,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:32,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:32,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:32,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:32,263 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:32,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (197)] Waiting until timeout for monitored process [2024-12-06 04:42:33,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:33,055 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:33,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:33,071 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:33,072 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:33,194 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:33,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (197)] Forceful destruction successful, exit code 0 [2024-12-06 04:42:33,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:33,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:33,205 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:33,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:33,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:33,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:33,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:33,207 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:33,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (198)] Waiting until timeout for monitored process [2024-12-06 04:42:34,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:34,031 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:34,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:34,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:34,047 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:34,164 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:34,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (198)] Ended with exit code 0 [2024-12-06 04:42:34,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:34,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:34,174 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:34,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:34,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:34,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:34,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:34,176 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:34,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (199)] Waiting until timeout for monitored process [2024-12-06 04:42:34,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:34,915 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:34,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:34,930 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:34,931 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:35,050 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:35,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (199)] Forceful destruction successful, exit code 0 [2024-12-06 04:42:35,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:35,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:35,060 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:35,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:35,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:35,060 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:35,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:35,062 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:35,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (200)] Waiting until timeout for monitored process [2024-12-06 04:42:35,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:35,867 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:35,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:35,882 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:35,883 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:36,002 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:36,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (200)] Ended with exit code 0 [2024-12-06 04:42:36,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:36,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:36,012 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:36,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:36,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:36,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:36,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:36,014 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:36,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (201)] Waiting until timeout for monitored process [2024-12-06 04:42:36,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:36,831 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:36,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:36,846 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:36,847 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:36,962 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:36,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (201)] Ended with exit code 0 [2024-12-06 04:42:36,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:36,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:36,972 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:36,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:36,972 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:36,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:36,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:36,974 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:36,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (202)] Waiting until timeout for monitored process [2024-12-06 04:42:37,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:37,749 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:37,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:37,766 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:37,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:37,885 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:37,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (202)] Ended with exit code 0 [2024-12-06 04:42:37,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:37,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:37,895 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:37,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:37,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:37,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:37,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:37,897 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:37,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (203)] Waiting until timeout for monitored process [2024-12-06 04:42:38,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:38,729 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:38,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:38,746 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:38,747 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:38,861 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:38,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (203)] Ended with exit code 0 [2024-12-06 04:42:38,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:38,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:38,871 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:38,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:38,871 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:38,871 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:38,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:38,873 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:38,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (204)] Waiting until timeout for monitored process [2024-12-06 04:42:39,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:39,702 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:39,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:39,718 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:39,719 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:39,836 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:39,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (204)] Ended with exit code 0 [2024-12-06 04:42:39,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:39,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:39,846 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:39,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:39,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:39,846 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:39,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:39,848 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:39,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (205)] Waiting until timeout for monitored process [2024-12-06 04:42:40,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:40,671 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:40,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:40,686 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:40,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:40,799 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:40,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (205)] Ended with exit code 0 [2024-12-06 04:42:40,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:40,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:40,810 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:40,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:40,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:40,811 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:40,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:40,813 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:40,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (206)] Waiting until timeout for monitored process [2024-12-06 04:42:41,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:41,630 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:41,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:41,644 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:41,645 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:41,754 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:41,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (206)] Ended with exit code 0 [2024-12-06 04:42:41,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:41,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:41,764 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:41,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:41,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:41,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:41,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:41,766 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:41,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (207)] Waiting until timeout for monitored process [2024-12-06 04:42:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:42,561 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:42,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:42,577 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:42,578 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:42,697 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:42,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (207)] Ended with exit code 0 [2024-12-06 04:42:42,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:42,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:42,707 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:42,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:42,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:42,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:42,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:42,709 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:42,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (208)] Waiting until timeout for monitored process [2024-12-06 04:42:43,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:43,503 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:43,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:43,516 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:43,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:43,633 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:43,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (208)] Ended with exit code 0 [2024-12-06 04:42:43,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:43,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:43,642 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:43,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:43,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:43,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:43,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:43,644 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:43,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (209)] Waiting until timeout for monitored process [2024-12-06 04:42:44,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:44,467 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:44,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:44,482 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:44,482 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:44,623 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:44,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (209)] Ended with exit code 0 [2024-12-06 04:42:44,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:44,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:44,632 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:44,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:44,632 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:44,633 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:44,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:44,634 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:44,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (210)] Waiting until timeout for monitored process [2024-12-06 04:42:45,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:45,411 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:45,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:45,425 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:45,426 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:45,538 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:45,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (210)] Ended with exit code 0 [2024-12-06 04:42:45,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:45,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:45,547 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:45,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:45,547 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:45,547 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:45,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:45,549 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:45,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (211)] Waiting until timeout for monitored process [2024-12-06 04:42:46,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:46,267 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:46,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:46,281 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:46,282 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:46,389 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:46,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (211)] Ended with exit code 0 [2024-12-06 04:42:46,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:46,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:46,398 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:46,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:46,398 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:46,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:46,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:46,400 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:46,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (212)] Waiting until timeout for monitored process [2024-12-06 04:42:47,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:47,133 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:47,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:47,146 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:47,147 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:47,259 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:47,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (212)] Ended with exit code 0 [2024-12-06 04:42:47,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:47,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:47,268 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:47,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:47,269 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:47,269 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:47,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:47,270 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:47,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (213)] Waiting until timeout for monitored process [2024-12-06 04:42:48,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:48,043 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:48,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:48,055 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:48,056 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:48,166 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:48,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (213)] Ended with exit code 0 [2024-12-06 04:42:48,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:48,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:48,174 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:48,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:48,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:48,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:48,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:48,176 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:48,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (214)] Waiting until timeout for monitored process [2024-12-06 04:42:48,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:48,925 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:48,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:48,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:48,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:49,051 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:49,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (214)] Ended with exit code 0 [2024-12-06 04:42:49,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:49,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:49,061 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:49,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:49,061 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:49,061 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:49,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:49,063 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:49,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (215)] Waiting until timeout for monitored process [2024-12-06 04:42:49,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:49,788 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:49,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:49,802 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:49,803 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:49,916 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:49,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (215)] Ended with exit code 0 [2024-12-06 04:42:49,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:49,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:49,926 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:49,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:49,926 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:49,926 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:49,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:49,928 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:49,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (216)] Waiting until timeout for monitored process [2024-12-06 04:42:50,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:50,724 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:50,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:50,741 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:50,742 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:50,855 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:50,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (216)] Ended with exit code 0 [2024-12-06 04:42:50,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:50,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:50,865 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:50,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:50,865 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:50,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:50,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:50,867 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:50,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (217)] Waiting until timeout for monitored process [2024-12-06 04:42:51,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:51,590 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:51,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:51,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:51,604 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:51,718 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:51,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (217)] Ended with exit code 0 [2024-12-06 04:42:51,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:51,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:51,728 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:51,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:51,728 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:51,728 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:51,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:51,730 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:51,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (218)] Waiting until timeout for monitored process [2024-12-06 04:42:52,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:52,451 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:52,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:52,464 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:52,464 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:52,573 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:52,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (218)] Ended with exit code 0 [2024-12-06 04:42:52,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:52,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:52,583 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:52,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:52,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:52,583 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:52,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:52,585 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:52,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (219)] Waiting until timeout for monitored process [2024-12-06 04:42:53,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:53,328 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:53,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:53,342 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:53,343 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:53,466 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:53,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (219)] Ended with exit code 0 [2024-12-06 04:42:53,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:53,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:53,475 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:53,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:53,476 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:53,476 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:53,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:53,477 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:53,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (220)] Waiting until timeout for monitored process [2024-12-06 04:42:54,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:54,276 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:54,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:54,290 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:54,290 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:54,403 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:54,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (220)] Ended with exit code 0 [2024-12-06 04:42:54,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:54,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:54,414 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:54,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:54,414 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:54,414 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:54,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:54,416 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:54,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (221)] Waiting until timeout for monitored process [2024-12-06 04:42:55,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:55,174 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:55,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:55,187 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:55,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:55,297 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:55,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (221)] Ended with exit code 0 [2024-12-06 04:42:55,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:55,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:55,306 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:55,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:55,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:55,306 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:55,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:55,308 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:55,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (222)] Waiting until timeout for monitored process [2024-12-06 04:42:56,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:56,048 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:56,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:56,061 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:56,062 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:56,177 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:56,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (222)] Forceful destruction successful, exit code 0 [2024-12-06 04:42:56,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:56,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:56,187 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:56,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:56,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:56,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:56,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:56,189 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:56,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (223)] Waiting until timeout for monitored process [2024-12-06 04:42:56,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:56,966 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:56,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:56,982 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:56,983 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:57,105 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:57,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (223)] Ended with exit code 0 [2024-12-06 04:42:57,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:57,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:57,115 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:57,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:57,115 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:57,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:57,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:57,117 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:57,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (224)] Waiting until timeout for monitored process [2024-12-06 04:42:57,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:57,844 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:57,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:57,858 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:57,859 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:57,973 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:57,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (224)] Ended with exit code 0 [2024-12-06 04:42:57,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:57,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:57,982 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:57,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:57,982 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:57,983 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:57,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:57,984 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:57,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (225)] Waiting until timeout for monitored process [2024-12-06 04:42:58,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:58,660 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:58,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:58,676 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:58,676 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:58,779 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:58,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (225)] Ended with exit code 0 [2024-12-06 04:42:58,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:58,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:58,788 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:58,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:58,788 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:58,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:58,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:58,790 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:58,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (226)] Waiting until timeout for monitored process [2024-12-06 04:42:59,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:59,481 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:59,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:59,495 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:42:59,496 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:59,598 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:42:59,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (226)] Ended with exit code 0 [2024-12-06 04:42:59,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:59,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:42:59,607 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:42:59,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:42:59,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:59,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:59,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:59,610 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:59,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (227)] Waiting until timeout for monitored process [2024-12-06 04:43:00,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:00,293 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:00,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:00,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:00,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:00,408 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:00,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (227)] Ended with exit code 0 [2024-12-06 04:43:00,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:00,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:00,417 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:00,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:00,417 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:00,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:00,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:00,419 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:00,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (228)] Waiting until timeout for monitored process [2024-12-06 04:43:01,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:01,145 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:01,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:01,159 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:01,159 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:01,265 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:01,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (228)] Ended with exit code 0 [2024-12-06 04:43:01,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:01,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:01,277 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:01,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:01,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:01,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:01,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:01,279 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:01,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (229)] Waiting until timeout for monitored process [2024-12-06 04:43:02,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:02,020 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:02,032 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:02,033 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:02,137 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:02,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (229)] Ended with exit code 0 [2024-12-06 04:43:02,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:02,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:02,146 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:02,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:02,146 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:02,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:02,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:02,148 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:02,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (230)] Waiting until timeout for monitored process [2024-12-06 04:43:02,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:02,870 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:02,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:02,884 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:02,885 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:02,991 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:02,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (230)] Ended with exit code 0 [2024-12-06 04:43:02,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:02,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:02,999 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:03,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:03,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:03,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:03,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:03,002 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:03,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (231)] Waiting until timeout for monitored process [2024-12-06 04:43:03,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:03,761 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:03,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:03,775 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:03,776 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:03,888 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:03,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (231)] Ended with exit code 0 [2024-12-06 04:43:03,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:03,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:03,897 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:03,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:03,898 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:03,898 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:03,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:03,899 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:03,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (232)] Waiting until timeout for monitored process [2024-12-06 04:43:04,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:04,681 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:04,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:04,693 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:04,694 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:04,787 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:04,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (232)] Ended with exit code 0 [2024-12-06 04:43:04,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:04,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:04,796 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:04,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:04,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:04,796 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:04,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:04,798 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:04,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (233)] Waiting until timeout for monitored process [2024-12-06 04:43:05,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:05,517 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:05,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:05,530 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:05,531 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:05,653 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:05,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (233)] Ended with exit code 0 [2024-12-06 04:43:05,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:05,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:05,663 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:05,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:05,663 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:05,663 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:05,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:05,665 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:05,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (234)] Waiting until timeout for monitored process [2024-12-06 04:43:06,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:06,477 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:06,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:06,493 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:06,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:06,612 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:06,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (234)] Ended with exit code 0 [2024-12-06 04:43:06,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:06,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:06,622 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:06,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:06,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:06,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:06,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:06,624 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:06,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (235)] Waiting until timeout for monitored process [2024-12-06 04:43:07,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:07,419 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:07,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:07,435 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:07,436 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:07,556 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:07,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (235)] Ended with exit code 0 [2024-12-06 04:43:07,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:07,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:07,565 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:07,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:07,565 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:07,565 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:07,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:07,567 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:07,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (236)] Waiting until timeout for monitored process [2024-12-06 04:43:08,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:08,369 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:08,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:08,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:08,386 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:08,502 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:08,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (236)] Ended with exit code 0 [2024-12-06 04:43:08,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:08,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:08,511 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:08,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:08,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:08,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:08,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:08,512 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:08,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (237)] Waiting until timeout for monitored process [2024-12-06 04:43:09,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:09,162 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:09,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:09,176 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:09,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:09,283 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:09,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (237)] Ended with exit code 0 [2024-12-06 04:43:09,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:09,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:09,292 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:09,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:09,292 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:09,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:09,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:09,294 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:09,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (238)] Waiting until timeout for monitored process [2024-12-06 04:43:10,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:10,046 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:10,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:10,060 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:10,061 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:10,169 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:10,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (238)] Ended with exit code 0 [2024-12-06 04:43:10,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:10,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:10,178 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:10,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:10,178 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:10,178 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:10,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:10,180 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:10,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (239)] Waiting until timeout for monitored process [2024-12-06 04:43:10,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:10,906 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:10,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:10,920 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:10,921 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:11,015 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:11,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (239)] Ended with exit code 0 [2024-12-06 04:43:11,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:11,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:11,024 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:11,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:11,024 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:11,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:11,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:11,026 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:11,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (240)] Waiting until timeout for monitored process [2024-12-06 04:43:11,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:11,713 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:11,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:11,727 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:11,727 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:11,835 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:11,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (240)] Ended with exit code 0 [2024-12-06 04:43:11,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:11,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:11,844 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:11,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:11,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:11,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:11,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:11,846 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:11,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (241)] Waiting until timeout for monitored process [2024-12-06 04:43:12,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:12,504 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:12,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:12,515 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:12,515 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:12,614 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:12,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (241)] Ended with exit code 0 [2024-12-06 04:43:12,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:12,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:12,624 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:12,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:12,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:12,624 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:12,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:12,626 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:12,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (242)] Waiting until timeout for monitored process [2024-12-06 04:43:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:13,323 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:13,336 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:13,337 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:13,450 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:13,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (242)] Ended with exit code 0 [2024-12-06 04:43:13,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:13,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:13,458 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:13,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:13,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:13,459 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:13,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:13,460 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:13,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (243)] Waiting until timeout for monitored process [2024-12-06 04:43:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:14,091 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:14,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:14,102 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:14,103 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:14,205 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:14,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (243)] Ended with exit code 0 [2024-12-06 04:43:14,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:14,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:14,214 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:14,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:14,215 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:14,215 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:14,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:14,216 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:14,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (244)] Waiting until timeout for monitored process [2024-12-06 04:43:14,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:14,818 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:14,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:14,829 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:14,830 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:14,936 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:14,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (244)] Ended with exit code 0 [2024-12-06 04:43:14,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:14,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:14,949 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:14,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:14,949 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:14,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:14,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:14,951 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:14,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (245)] Waiting until timeout for monitored process [2024-12-06 04:43:15,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:15,642 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:15,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:15,654 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:15,655 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:15,757 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:15,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (245)] Ended with exit code 0 [2024-12-06 04:43:15,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:15,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:15,766 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:15,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:15,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:15,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:15,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:15,767 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:15,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (246)] Waiting until timeout for monitored process [2024-12-06 04:43:16,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:16,451 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:16,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:16,466 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:16,467 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:16,574 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:16,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (246)] Ended with exit code 0 [2024-12-06 04:43:16,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:16,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:16,583 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:16,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:16,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:16,583 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:16,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:16,585 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:16,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (247)] Waiting until timeout for monitored process [2024-12-06 04:43:17,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:17,247 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:17,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:17,261 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:17,261 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:17,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:17,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (247)] Ended with exit code 0 [2024-12-06 04:43:17,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:17,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:17,376 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:17,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:17,376 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:17,376 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:17,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:17,378 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:17,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (248)] Waiting until timeout for monitored process [2024-12-06 04:43:18,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:18,016 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:18,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:18,032 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:18,033 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:18,142 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:18,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (248)] Ended with exit code 0 [2024-12-06 04:43:18,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:18,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:18,150 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:18,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:18,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:18,150 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:18,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:18,152 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:18,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (249)] Waiting until timeout for monitored process [2024-12-06 04:43:18,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:18,759 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:18,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:18,770 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:18,771 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:18,873 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:18,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (249)] Forceful destruction successful, exit code 0 [2024-12-06 04:43:18,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:18,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:18,882 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:18,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:18,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:18,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:18,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:18,884 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:18,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (250)] Waiting until timeout for monitored process [2024-12-06 04:43:19,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:19,500 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:19,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:19,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:19,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:19,614 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:19,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (250)] Ended with exit code 0 [2024-12-06 04:43:19,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:19,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:19,622 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:19,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:19,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:19,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:19,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:19,624 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:19,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (251)] Waiting until timeout for monitored process [2024-12-06 04:43:20,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:20,323 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:20,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:20,336 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:20,337 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:20,433 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:20,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (251)] Ended with exit code 0 [2024-12-06 04:43:20,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:20,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:20,443 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:20,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:20,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:20,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:20,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:20,445 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:20,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (252)] Waiting until timeout for monitored process [2024-12-06 04:43:21,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:21,155 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:21,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:21,167 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:21,168 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:21,270 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:21,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (252)] Ended with exit code 0 [2024-12-06 04:43:21,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:21,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:21,279 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:21,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:21,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:21,279 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:21,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:21,281 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:21,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (253)] Waiting until timeout for monitored process [2024-12-06 04:43:22,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:22,081 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:22,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:22,095 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:22,096 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:22,211 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:22,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (253)] Ended with exit code 0 [2024-12-06 04:43:22,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:22,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:22,220 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:22,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:22,220 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:22,220 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:22,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:22,222 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:22,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (254)] Waiting until timeout for monitored process [2024-12-06 04:43:23,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:23,029 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:23,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:23,043 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:23,044 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:23,152 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:23,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (254)] Ended with exit code 0 [2024-12-06 04:43:23,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:23,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:23,161 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:23,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:23,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:23,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:23,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:23,164 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:23,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (255)] Waiting until timeout for monitored process [2024-12-06 04:43:24,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:24,011 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:24,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:24,026 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:24,027 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:24,145 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:24,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (255)] Ended with exit code 0 [2024-12-06 04:43:24,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:24,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:24,154 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:24,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:24,154 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:24,154 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:24,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:24,156 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:24,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (256)] Waiting until timeout for monitored process [2024-12-06 04:43:25,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:25,005 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:25,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:25,018 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:25,019 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:25,131 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:25,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (256)] Ended with exit code 0 [2024-12-06 04:43:25,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:25,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:25,141 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:25,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:25,141 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:25,141 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:25,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:25,144 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:25,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (257)] Waiting until timeout for monitored process [2024-12-06 04:43:25,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:25,987 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:26,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:26,004 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:26,005 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:26,114 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:26,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (257)] Forceful destruction successful, exit code 0 [2024-12-06 04:43:26,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:26,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:26,124 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:26,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:26,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:26,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:26,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:26,127 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:26,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (258)] Waiting until timeout for monitored process [2024-12-06 04:43:26,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:26,945 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:26,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:26,962 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:26,963 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:27,076 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:27,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (258)] Ended with exit code 0 [2024-12-06 04:43:27,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:27,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:27,086 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:27,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:27,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:27,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:27,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:27,088 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:27,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (259)] Waiting until timeout for monitored process [2024-12-06 04:43:27,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:27,919 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:27,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:27,934 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:27,934 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:28,044 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:28,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (259)] Ended with exit code 0 [2024-12-06 04:43:28,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:28,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:28,053 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:28,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:28,053 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:28,053 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:28,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:28,055 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:28,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (260)] Waiting until timeout for monitored process [2024-12-06 04:43:28,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:28,887 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:28,902 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:28,902 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:29,022 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:29,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (260)] Ended with exit code 0 [2024-12-06 04:43:29,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:29,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:29,032 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:29,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:29,032 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:29,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:29,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:29,034 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:29,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (261)] Waiting until timeout for monitored process [2024-12-06 04:43:29,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:29,864 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:29,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:29,881 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:29,881 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:29,997 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:30,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (261)] Ended with exit code 0 [2024-12-06 04:43:30,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:30,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:30,006 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:30,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:30,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:30,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:30,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:30,008 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:30,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (262)] Waiting until timeout for monitored process [2024-12-06 04:43:30,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:30,811 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:30,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:30,824 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:30,825 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:30,929 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:30,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (262)] Ended with exit code 0 [2024-12-06 04:43:30,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:30,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:30,938 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:30,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:30,938 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:30,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:30,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:30,940 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:30,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (263)] Waiting until timeout for monitored process [2024-12-06 04:43:31,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:31,624 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:31,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:31,636 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:31,637 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:31,740 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:31,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (263)] Forceful destruction successful, exit code 0 [2024-12-06 04:43:31,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:31,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:31,748 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:31,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:31,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:31,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:31,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:31,750 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:31,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (264)] Waiting until timeout for monitored process [2024-12-06 04:43:32,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:32,500 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:32,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:32,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:32,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:32,626 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:32,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (264)] Ended with exit code 0 [2024-12-06 04:43:32,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:32,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:32,636 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:32,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:32,636 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:32,636 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:32,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:32,638 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:32,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (265)] Waiting until timeout for monitored process [2024-12-06 04:43:33,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:33,376 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:33,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:33,388 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:33,389 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:33,506 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:33,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (265)] Ended with exit code 0 [2024-12-06 04:43:33,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:33,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:33,516 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:33,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:33,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:33,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:33,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:33,518 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:33,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (266)] Waiting until timeout for monitored process [2024-12-06 04:43:34,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:34,249 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:34,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:34,261 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:34,262 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:34,373 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:34,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (266)] Ended with exit code 0 [2024-12-06 04:43:34,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:34,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:34,382 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:34,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:34,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:34,383 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:34,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:34,384 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:34,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (267)] Waiting until timeout for monitored process [2024-12-06 04:43:35,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:35,008 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:35,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:35,020 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:35,021 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:35,112 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:35,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (267)] Ended with exit code 0 [2024-12-06 04:43:35,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:35,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:35,121 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:35,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:35,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:35,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:35,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:35,123 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:35,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (268)] Waiting until timeout for monitored process [2024-12-06 04:43:35,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:35,731 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:35,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:35,743 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:35,743 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:35,835 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:35,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (268)] Ended with exit code 0 [2024-12-06 04:43:35,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:35,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:35,843 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:35,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:35,843 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:35,843 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:35,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:35,844 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:35,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (269)] Waiting until timeout for monitored process [2024-12-06 04:43:36,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:36,457 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:36,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:36,469 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:36,469 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:36,565 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:36,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (269)] Ended with exit code 0 [2024-12-06 04:43:36,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:36,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:36,574 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:36,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:36,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:36,574 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:36,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:36,576 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:36,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (270)] Waiting until timeout for monitored process [2024-12-06 04:43:37,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:37,296 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:37,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:37,308 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:37,309 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:37,427 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:37,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (270)] Ended with exit code 0 [2024-12-06 04:43:37,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:37,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:37,437 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:37,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:37,437 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:37,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:37,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:37,439 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:37,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (271)] Waiting until timeout for monitored process [2024-12-06 04:43:38,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:38,180 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:38,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:38,193 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:38,194 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:38,307 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:38,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (271)] Ended with exit code 0 [2024-12-06 04:43:38,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:38,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:38,316 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:38,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:38,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:38,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:38,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:38,318 INFO L229 MonitoredProcess]: Starting monitored process 272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:38,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (272)] Waiting until timeout for monitored process [2024-12-06 04:43:39,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:39,051 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:39,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:39,062 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:39,063 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:39,168 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:39,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (272)] Ended with exit code 0 [2024-12-06 04:43:39,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:39,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:39,177 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:39,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:39,177 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:39,177 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:39,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:39,179 INFO L229 MonitoredProcess]: Starting monitored process 273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:39,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (273)] Waiting until timeout for monitored process [2024-12-06 04:43:39,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:39,842 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:39,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:39,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:39,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:39,991 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:39,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (273)] Ended with exit code 0 [2024-12-06 04:43:40,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:40,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:40,002 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:40,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:40,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:40,002 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:40,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:40,004 INFO L229 MonitoredProcess]: Starting monitored process 274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:40,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (274)] Waiting until timeout for monitored process [2024-12-06 04:43:40,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:40,750 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:40,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:40,764 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:40,765 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:40,866 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:40,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (274)] Ended with exit code 0 [2024-12-06 04:43:40,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:40,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:40,874 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:40,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:40,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:40,875 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:40,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:40,876 INFO L229 MonitoredProcess]: Starting monitored process 275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:40,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (275)] Waiting until timeout for monitored process [2024-12-06 04:43:41,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:41,624 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:41,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:41,635 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:41,636 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:41,744 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:41,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (275)] Ended with exit code 0 [2024-12-06 04:43:41,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:41,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:41,754 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:41,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:41,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:41,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:41,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:41,755 INFO L229 MonitoredProcess]: Starting monitored process 276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:41,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (276)] Waiting until timeout for monitored process [2024-12-06 04:43:42,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:42,440 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:42,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:42,453 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:42,454 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:42,562 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:42,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (276)] Ended with exit code 0 [2024-12-06 04:43:42,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:42,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:42,571 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:42,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:42,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:42,571 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:42,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:42,573 INFO L229 MonitoredProcess]: Starting monitored process 277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:42,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (277)] Waiting until timeout for monitored process [2024-12-06 04:43:43,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:43,249 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:43,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:43,262 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:43,263 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:43,365 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:43,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (277)] Ended with exit code 0 [2024-12-06 04:43:43,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:43,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:43,373 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:43,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:43,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:43,374 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:43,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:43,375 INFO L229 MonitoredProcess]: Starting monitored process 278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:43,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (278)] Waiting until timeout for monitored process [2024-12-06 04:43:44,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:44,046 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:44,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:44,059 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:44,060 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:44,163 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:44,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (278)] Ended with exit code 0 [2024-12-06 04:43:44,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:44,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:44,174 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:44,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:44,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:44,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:44,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:44,175 INFO L229 MonitoredProcess]: Starting monitored process 279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:44,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (279)] Waiting until timeout for monitored process [2024-12-06 04:43:44,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:44,875 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:44,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:44,888 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:44,889 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:44,998 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:45,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (279)] Ended with exit code 0 [2024-12-06 04:43:45,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:45,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:45,008 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:45,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:45,008 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:45,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:45,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:45,010 INFO L229 MonitoredProcess]: Starting monitored process 280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:45,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (280)] Waiting until timeout for monitored process [2024-12-06 04:43:45,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:45,739 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:45,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:45,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:45,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:45,857 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:45,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (280)] Forceful destruction successful, exit code 0 [2024-12-06 04:43:45,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:45,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:45,866 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:45,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:45,866 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:45,866 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:45,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:45,867 INFO L229 MonitoredProcess]: Starting monitored process 281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:45,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (281)] Waiting until timeout for monitored process [2024-12-06 04:43:46,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:46,567 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:46,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:46,580 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:46,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:46,688 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:46,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (281)] Ended with exit code 0 [2024-12-06 04:43:46,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:46,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:46,697 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:46,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:46,697 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:46,697 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:46,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:46,699 INFO L229 MonitoredProcess]: Starting monitored process 282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:46,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (282)] Waiting until timeout for monitored process [2024-12-06 04:43:47,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:47,418 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:47,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:47,431 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:47,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:47,549 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:47,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (282)] Ended with exit code 0 [2024-12-06 04:43:47,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:47,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:47,559 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:47,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:47,560 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:47,560 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:47,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:47,561 INFO L229 MonitoredProcess]: Starting monitored process 283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:47,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (283)] Waiting until timeout for monitored process [2024-12-06 04:43:48,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:48,334 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:48,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:48,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:48,348 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:48,465 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:48,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (283)] Ended with exit code 0 [2024-12-06 04:43:48,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:48,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:48,476 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:48,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:48,476 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:48,476 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:48,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:48,478 INFO L229 MonitoredProcess]: Starting monitored process 284 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:48,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (284)] Waiting until timeout for monitored process [2024-12-06 04:43:49,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:49,207 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:49,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:49,219 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:49,219 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:49,334 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:49,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (284)] Ended with exit code 0 [2024-12-06 04:43:49,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:49,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:49,342 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:49,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:49,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:49,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:49,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:49,344 INFO L229 MonitoredProcess]: Starting monitored process 285 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:49,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (285)] Waiting until timeout for monitored process [2024-12-06 04:43:50,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:50,064 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:50,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:50,077 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:50,078 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:50,184 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:50,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (285)] Ended with exit code 0 [2024-12-06 04:43:50,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:50,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:50,193 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:50,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:50,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:50,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:50,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:50,194 INFO L229 MonitoredProcess]: Starting monitored process 286 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:50,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (286)] Waiting until timeout for monitored process [2024-12-06 04:43:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:50,922 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:50,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:50,934 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:50,935 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:51,047 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:51,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (286)] Ended with exit code 0 [2024-12-06 04:43:51,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:51,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:51,056 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:51,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:51,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:51,057 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:51,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:51,058 INFO L229 MonitoredProcess]: Starting monitored process 287 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:51,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (287)] Waiting until timeout for monitored process [2024-12-06 04:43:51,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:51,824 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:51,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:51,836 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:51,837 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:51,953 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:51,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (287)] Ended with exit code 0 [2024-12-06 04:43:51,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:51,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:51,962 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:51,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:51,963 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:51,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:51,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:51,964 INFO L229 MonitoredProcess]: Starting monitored process 288 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:51,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (288)] Waiting until timeout for monitored process [2024-12-06 04:43:52,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:52,730 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:52,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:52,743 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:52,744 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:52,856 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:52,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (288)] Ended with exit code 0 [2024-12-06 04:43:52,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:52,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:52,864 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:52,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:52,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:52,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:52,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:52,866 INFO L229 MonitoredProcess]: Starting monitored process 289 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:52,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (289)] Waiting until timeout for monitored process [2024-12-06 04:43:53,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:53,578 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:53,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:53,589 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:53,590 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:53,693 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:53,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (289)] Forceful destruction successful, exit code 0 [2024-12-06 04:43:53,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:53,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:53,702 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:53,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:53,702 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:53,702 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:53,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:53,704 INFO L229 MonitoredProcess]: Starting monitored process 290 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:53,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (290)] Waiting until timeout for monitored process [2024-12-06 04:43:54,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:54,345 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:54,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:54,356 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:54,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:54,452 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:54,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (290)] Ended with exit code 0 [2024-12-06 04:43:54,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:54,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:54,460 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:54,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:54,461 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:54,461 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:54,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:54,462 INFO L229 MonitoredProcess]: Starting monitored process 291 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:54,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (291)] Waiting until timeout for monitored process [2024-12-06 04:43:55,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:55,175 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:55,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:55,190 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:55,191 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:55,304 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:55,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (291)] Ended with exit code 0 [2024-12-06 04:43:55,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:55,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:55,314 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:55,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:55,314 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:55,314 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:55,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:55,316 INFO L229 MonitoredProcess]: Starting monitored process 292 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:55,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (292)] Waiting until timeout for monitored process [2024-12-06 04:43:56,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:56,043 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:56,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:56,055 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:56,056 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:56,167 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:56,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (292)] Ended with exit code 0 [2024-12-06 04:43:56,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:56,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:56,176 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:56,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:56,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:56,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:56,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:56,178 INFO L229 MonitoredProcess]: Starting monitored process 293 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:56,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (293)] Waiting until timeout for monitored process [2024-12-06 04:43:56,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:56,944 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:56,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:56,956 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:56,957 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:57,072 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:57,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (293)] Ended with exit code 0 [2024-12-06 04:43:57,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:57,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:57,081 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:57,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:57,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:57,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:57,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:57,083 INFO L229 MonitoredProcess]: Starting monitored process 294 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:57,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (294)] Waiting until timeout for monitored process [2024-12-06 04:43:57,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:57,826 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:57,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:57,841 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:57,842 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:57,955 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:57,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (294)] Ended with exit code 0 [2024-12-06 04:43:57,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:57,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:57,964 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:57,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:57,964 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:57,965 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:57,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:57,966 INFO L229 MonitoredProcess]: Starting monitored process 295 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:57,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (295)] Waiting until timeout for monitored process [2024-12-06 04:43:58,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:58,808 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:58,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:58,825 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:58,826 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:58,941 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:58,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (295)] Ended with exit code 0 [2024-12-06 04:43:58,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:58,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:58,950 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:58,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:58,951 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:58,951 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:58,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:58,953 INFO L229 MonitoredProcess]: Starting monitored process 296 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:58,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (296)] Waiting until timeout for monitored process [2024-12-06 04:43:59,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:59,778 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:59,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:59,793 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:43:59,794 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:59,917 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:43:59,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (296)] Ended with exit code 0 [2024-12-06 04:43:59,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:59,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:43:59,927 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:43:59,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:43:59,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:59,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:59,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:59,929 INFO L229 MonitoredProcess]: Starting monitored process 297 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:59,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (297)] Waiting until timeout for monitored process [2024-12-06 04:44:00,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:00,809 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:00,823 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:00,824 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:00,948 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:00,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (297)] Ended with exit code 0 [2024-12-06 04:44:00,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:00,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:00,959 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:00,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:00,959 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:00,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:00,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:00,961 INFO L229 MonitoredProcess]: Starting monitored process 298 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:00,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (298)] Waiting until timeout for monitored process [2024-12-06 04:44:01,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:01,808 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:01,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:01,823 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:01,824 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:01,943 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:01,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (298)] Ended with exit code 0 [2024-12-06 04:44:01,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:01,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:01,953 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:01,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:01,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:01,953 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:01,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:01,955 INFO L229 MonitoredProcess]: Starting monitored process 299 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:01,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (299)] Waiting until timeout for monitored process [2024-12-06 04:44:02,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:02,754 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:02,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:02,768 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:02,769 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:02,887 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:02,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (299)] Ended with exit code 0 [2024-12-06 04:44:02,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:02,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:02,898 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:02,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:02,898 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:02,898 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:02,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:02,900 INFO L229 MonitoredProcess]: Starting monitored process 300 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:02,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (300)] Waiting until timeout for monitored process [2024-12-06 04:44:03,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:03,751 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:03,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:03,767 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:03,768 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:03,889 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:03,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (300)] Ended with exit code 0 [2024-12-06 04:44:03,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:03,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:03,900 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:03,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:03,900 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:03,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:03,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:03,902 INFO L229 MonitoredProcess]: Starting monitored process 301 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:03,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (301)] Waiting until timeout for monitored process [2024-12-06 04:44:04,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:04,790 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:04,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:04,804 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:04,805 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:04,929 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:04,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (301)] Ended with exit code 0 [2024-12-06 04:44:04,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:04,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:04,940 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:04,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:04,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:04,940 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:04,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:04,942 INFO L229 MonitoredProcess]: Starting monitored process 302 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:04,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (302)] Waiting until timeout for monitored process [2024-12-06 04:44:05,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:05,814 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:05,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:05,829 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:05,830 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:05,958 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:05,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (302)] Ended with exit code 0 [2024-12-06 04:44:05,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:05,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:05,969 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:05,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:05,969 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:05,969 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:05,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:05,971 INFO L229 MonitoredProcess]: Starting monitored process 303 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:05,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (303)] Waiting until timeout for monitored process [2024-12-06 04:44:06,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:06,849 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:06,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:06,864 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:06,864 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:06,978 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:06,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (303)] Ended with exit code 0 [2024-12-06 04:44:06,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:06,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:06,988 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:06,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:06,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:06,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:06,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:06,990 INFO L229 MonitoredProcess]: Starting monitored process 304 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:06,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (304)] Waiting until timeout for monitored process [2024-12-06 04:44:07,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:07,845 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:07,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:07,859 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:07,860 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:07,978 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:07,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (304)] Ended with exit code 0 [2024-12-06 04:44:07,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:07,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:07,987 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:07,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:07,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:07,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:07,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:07,989 INFO L229 MonitoredProcess]: Starting monitored process 305 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:07,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (305)] Waiting until timeout for monitored process [2024-12-06 04:44:08,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:08,821 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:08,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:08,836 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:08,837 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:08,969 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:08,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (305)] Ended with exit code 0 [2024-12-06 04:44:08,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:08,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:08,980 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:08,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:08,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:08,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:08,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:08,983 INFO L229 MonitoredProcess]: Starting monitored process 306 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:08,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (306)] Waiting until timeout for monitored process [2024-12-06 04:44:09,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:09,917 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:09,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:09,934 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:09,935 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:10,069 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:10,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (306)] Ended with exit code 0 [2024-12-06 04:44:10,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:10,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:10,080 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:10,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:10,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:10,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:10,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:10,083 INFO L229 MonitoredProcess]: Starting monitored process 307 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:10,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (307)] Waiting until timeout for monitored process [2024-12-06 04:44:11,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:11,035 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:11,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:11,051 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:11,052 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:11,176 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:11,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (307)] Ended with exit code 0 [2024-12-06 04:44:11,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:11,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:11,185 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:11,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:11,185 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:11,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:11,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:11,186 INFO L229 MonitoredProcess]: Starting monitored process 308 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:11,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (308)] Waiting until timeout for monitored process [2024-12-06 04:44:12,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:12,111 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:12,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:12,127 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:12,128 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:12,272 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:12,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (308)] Ended with exit code 0 [2024-12-06 04:44:12,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:12,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:12,283 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:12,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:12,283 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:12,283 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:12,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:12,285 INFO L229 MonitoredProcess]: Starting monitored process 309 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:12,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (309)] Waiting until timeout for monitored process [2024-12-06 04:44:13,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:13,216 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:13,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:13,232 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:13,233 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:13,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:13,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (309)] Ended with exit code 0 [2024-12-06 04:44:13,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:13,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:13,378 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:13,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:13,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:13,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:13,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:13,380 INFO L229 MonitoredProcess]: Starting monitored process 310 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:13,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (310)] Waiting until timeout for monitored process [2024-12-06 04:44:14,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:14,297 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:14,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:14,313 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:14,314 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:14,444 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:14,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (310)] Ended with exit code 0 [2024-12-06 04:44:14,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:14,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:14,454 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:14,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:14,454 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:14,454 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:14,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:14,456 INFO L229 MonitoredProcess]: Starting monitored process 311 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:14,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (311)] Waiting until timeout for monitored process [2024-12-06 04:44:15,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:15,352 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:15,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:15,367 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:15,368 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:15,498 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:15,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (311)] Ended with exit code 0 [2024-12-06 04:44:15,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:15,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:15,509 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:15,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:15,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:15,509 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:15,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:15,511 INFO L229 MonitoredProcess]: Starting monitored process 312 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:15,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (312)] Waiting until timeout for monitored process [2024-12-06 04:44:16,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:16,442 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:16,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:16,457 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:16,458 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:16,602 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:16,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (312)] Ended with exit code 0 [2024-12-06 04:44:16,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:16,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:16,612 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:16,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:16,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:16,613 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:16,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:16,615 INFO L229 MonitoredProcess]: Starting monitored process 313 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:16,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (313)] Waiting until timeout for monitored process [2024-12-06 04:44:17,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:17,555 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:17,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:17,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:17,572 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:17,701 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:17,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (313)] Ended with exit code 0 [2024-12-06 04:44:17,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:17,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:17,711 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:17,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:17,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:17,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:17,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:17,713 INFO L229 MonitoredProcess]: Starting monitored process 314 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:17,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (314)] Waiting until timeout for monitored process [2024-12-06 04:44:18,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:18,614 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:18,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:18,628 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:18,629 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:18,772 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:18,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (314)] Ended with exit code 0 [2024-12-06 04:44:18,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:18,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:18,783 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:18,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:18,783 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:18,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:18,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:18,785 INFO L229 MonitoredProcess]: Starting monitored process 315 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:18,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (315)] Waiting until timeout for monitored process [2024-12-06 04:44:19,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:19,577 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:19,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:19,593 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:19,593 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:19,735 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:19,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (315)] Ended with exit code 0 [2024-12-06 04:44:19,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:19,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:19,746 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:19,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:19,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:19,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:19,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:19,749 INFO L229 MonitoredProcess]: Starting monitored process 316 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:19,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (316)] Waiting until timeout for monitored process [2024-12-06 04:44:20,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:20,652 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:20,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:20,663 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:20,664 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:20,769 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:20,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (316)] Ended with exit code 0 [2024-12-06 04:44:20,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:20,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:20,778 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:20,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:20,778 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:20,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:20,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:20,780 INFO L229 MonitoredProcess]: Starting monitored process 317 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:20,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (317)] Waiting until timeout for monitored process [2024-12-06 04:44:21,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:21,470 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:21,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:21,482 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:21,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:21,588 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:21,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (317)] Ended with exit code 0 [2024-12-06 04:44:21,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:21,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:21,597 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:21,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:21,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:21,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:21,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:21,599 INFO L229 MonitoredProcess]: Starting monitored process 318 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:21,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (318)] Waiting until timeout for monitored process [2024-12-06 04:44:22,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:22,278 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:22,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:22,291 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:22,291 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:22,394 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:22,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (318)] Ended with exit code 0 [2024-12-06 04:44:22,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:22,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:22,402 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:22,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:22,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:22,402 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:22,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:22,404 INFO L229 MonitoredProcess]: Starting monitored process 319 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:22,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (319)] Waiting until timeout for monitored process [2024-12-06 04:44:23,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:23,084 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:23,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:23,097 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:23,098 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:23,210 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:23,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (319)] Ended with exit code 0 [2024-12-06 04:44:23,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:23,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:23,220 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:23,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:23,220 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:23,220 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:23,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:23,222 INFO L229 MonitoredProcess]: Starting monitored process 320 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:23,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (320)] Waiting until timeout for monitored process [2024-12-06 04:44:24,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:24,129 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:24,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:24,144 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:24,145 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:24,256 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:24,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (320)] Ended with exit code 0 [2024-12-06 04:44:24,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:24,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:24,265 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:24,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:24,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:24,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:24,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:24,267 INFO L229 MonitoredProcess]: Starting monitored process 321 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:24,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (321)] Waiting until timeout for monitored process [2024-12-06 04:44:25,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:25,127 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:25,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:25,145 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:25,146 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:25,256 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:25,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (321)] Ended with exit code 0 [2024-12-06 04:44:25,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:25,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:25,267 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:25,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:25,267 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:25,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:25,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:25,269 INFO L229 MonitoredProcess]: Starting monitored process 322 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:25,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (322)] Waiting until timeout for monitored process [2024-12-06 04:44:26,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:26,134 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:26,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:26,150 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:26,151 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:26,275 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:26,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (322)] Ended with exit code 0 [2024-12-06 04:44:26,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:26,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:26,285 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:26,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:26,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:26,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:26,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:26,287 INFO L229 MonitoredProcess]: Starting monitored process 323 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:26,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (323)] Waiting until timeout for monitored process [2024-12-06 04:44:27,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:27,132 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:27,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:27,150 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:27,150 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:27,277 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:27,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (323)] Forceful destruction successful, exit code 0 [2024-12-06 04:44:27,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:27,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:27,287 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:27,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:27,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:27,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:27,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:27,289 INFO L229 MonitoredProcess]: Starting monitored process 324 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:27,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (324)] Waiting until timeout for monitored process [2024-12-06 04:44:28,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:28,181 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:28,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:28,195 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:28,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:28,322 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:28,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (324)] Ended with exit code 0 [2024-12-06 04:44:28,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:28,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:28,335 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:28,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:28,335 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:28,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:28,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:28,337 INFO L229 MonitoredProcess]: Starting monitored process 325 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:28,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (325)] Waiting until timeout for monitored process [2024-12-06 04:44:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:29,265 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:29,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:29,280 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:29,281 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:29,404 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:29,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (325)] Ended with exit code 0 [2024-12-06 04:44:29,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:29,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:29,413 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:29,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:29,414 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:29,414 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:29,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:29,416 INFO L229 MonitoredProcess]: Starting monitored process 326 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:29,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (326)] Waiting until timeout for monitored process [2024-12-06 04:44:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:30,319 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:30,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:30,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:30,335 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:30,464 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:30,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (326)] Ended with exit code 0 [2024-12-06 04:44:30,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:30,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:30,475 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:30,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:30,475 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:30,476 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:30,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:30,477 INFO L229 MonitoredProcess]: Starting monitored process 327 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:30,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (327)] Waiting until timeout for monitored process [2024-12-06 04:44:31,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:31,344 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:31,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:31,360 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:31,361 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:31,490 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:31,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (327)] Ended with exit code 0 [2024-12-06 04:44:31,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:31,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:31,500 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:31,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:31,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:31,500 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:31,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:31,502 INFO L229 MonitoredProcess]: Starting monitored process 328 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:31,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (328)] Waiting until timeout for monitored process [2024-12-06 04:44:32,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:32,359 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:32,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:32,374 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:32,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:32,497 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:32,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (328)] Ended with exit code 0 [2024-12-06 04:44:32,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:32,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:32,508 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:32,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:32,508 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:32,508 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:32,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:32,510 INFO L229 MonitoredProcess]: Starting monitored process 329 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:32,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (329)] Waiting until timeout for monitored process [2024-12-06 04:44:33,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:33,379 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:33,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:33,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:33,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:33,502 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:33,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (329)] Ended with exit code 0 [2024-12-06 04:44:33,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:33,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:33,511 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:33,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:33,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:33,512 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:33,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:33,513 INFO L229 MonitoredProcess]: Starting monitored process 330 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:33,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (330)] Waiting until timeout for monitored process [2024-12-06 04:44:34,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:34,505 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:34,521 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:34,521 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:34,661 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:34,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (330)] Ended with exit code 0 [2024-12-06 04:44:34,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:34,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:34,674 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:34,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:34,674 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:34,674 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:34,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:34,676 INFO L229 MonitoredProcess]: Starting monitored process 331 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:34,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (331)] Waiting until timeout for monitored process [2024-12-06 04:44:35,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:35,670 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:35,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:35,686 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:35,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:35,840 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:35,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (331)] Ended with exit code 0 [2024-12-06 04:44:35,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:35,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:35,853 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:35,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:35,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:35,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:35,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:35,856 INFO L229 MonitoredProcess]: Starting monitored process 332 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:35,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (332)] Waiting until timeout for monitored process [2024-12-06 04:44:36,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:36,831 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:36,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:36,848 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:36,849 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:36,992 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:36,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (332)] Ended with exit code 0 [2024-12-06 04:44:37,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:37,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:37,003 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:37,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:37,003 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:37,003 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:37,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:37,005 INFO L229 MonitoredProcess]: Starting monitored process 333 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:37,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (333)] Waiting until timeout for monitored process [2024-12-06 04:44:37,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:37,978 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:37,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:37,994 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:37,994 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:38,136 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:38,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (333)] Ended with exit code 0 [2024-12-06 04:44:38,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:38,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:38,147 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:38,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:38,147 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:38,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:38,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:38,149 INFO L229 MonitoredProcess]: Starting monitored process 334 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:38,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (334)] Waiting until timeout for monitored process [2024-12-06 04:44:39,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:39,153 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:39,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:39,168 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:39,169 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:39,300 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:39,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (334)] Ended with exit code 0 [2024-12-06 04:44:39,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:39,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:39,316 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:39,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:39,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:39,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:39,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:39,318 INFO L229 MonitoredProcess]: Starting monitored process 335 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:39,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (335)] Waiting until timeout for monitored process [2024-12-06 04:44:40,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:40,301 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:40,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:40,318 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:40,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:40,456 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:40,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (335)] Ended with exit code 0 [2024-12-06 04:44:40,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:40,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:40,466 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:40,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:40,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:40,466 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:40,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:40,468 INFO L229 MonitoredProcess]: Starting monitored process 336 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:40,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (336)] Waiting until timeout for monitored process [2024-12-06 04:44:41,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:41,463 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:41,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:41,478 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:41,479 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:41,627 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:41,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (336)] Ended with exit code 0 [2024-12-06 04:44:41,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:41,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:41,638 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:41,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:41,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:41,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:41,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:41,641 INFO L229 MonitoredProcess]: Starting monitored process 337 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:41,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (337)] Waiting until timeout for monitored process [2024-12-06 04:44:42,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:42,533 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:42,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:42,544 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:42,545 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:42,663 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:42,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (337)] Ended with exit code 0 [2024-12-06 04:44:42,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:42,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:42,672 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:42,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:42,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:42,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:42,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:42,674 INFO L229 MonitoredProcess]: Starting monitored process 338 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:42,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (338)] Waiting until timeout for monitored process [2024-12-06 04:44:43,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:43,445 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:43,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:43,458 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:43,459 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:43,559 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:43,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (338)] Ended with exit code 0 [2024-12-06 04:44:43,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:43,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:43,569 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:43,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:43,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:43,569 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:43,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:43,571 INFO L229 MonitoredProcess]: Starting monitored process 339 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:43,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (339)] Waiting until timeout for monitored process [2024-12-06 04:44:44,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:44,341 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:44,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:44,354 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:44,355 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:44,459 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:44,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (339)] Ended with exit code 0 [2024-12-06 04:44:44,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:44,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:44,472 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:44,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:44,472 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:44,472 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:44,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:44,474 INFO L229 MonitoredProcess]: Starting monitored process 340 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:44,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (340)] Waiting until timeout for monitored process [2024-12-06 04:44:45,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:45,411 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:45,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:45,427 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:45,428 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:45,576 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:45,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (340)] Ended with exit code 0 [2024-12-06 04:44:45,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:45,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:45,588 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:45,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:45,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:45,589 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:45,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:45,591 INFO L229 MonitoredProcess]: Starting monitored process 341 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:45,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (341)] Waiting until timeout for monitored process [2024-12-06 04:44:46,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:46,556 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:46,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:46,573 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:46,574 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:46,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:46,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (341)] Ended with exit code 0 [2024-12-06 04:44:46,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:46,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:46,719 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:46,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:46,719 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:46,720 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:46,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:46,722 INFO L229 MonitoredProcess]: Starting monitored process 342 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:46,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (342)] Waiting until timeout for monitored process [2024-12-06 04:44:47,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:47,702 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:47,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:47,717 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:47,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:47,870 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:47,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (342)] Ended with exit code 0 [2024-12-06 04:44:47,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:47,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:47,882 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:47,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:47,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:47,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:47,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:47,884 INFO L229 MonitoredProcess]: Starting monitored process 343 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:47,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (343)] Waiting until timeout for monitored process [2024-12-06 04:44:48,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:48,899 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:48,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:48,915 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:48,916 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:49,061 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:49,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (343)] Ended with exit code 0 [2024-12-06 04:44:49,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:49,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:49,073 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:49,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:49,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:49,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:49,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:49,076 INFO L229 MonitoredProcess]: Starting monitored process 344 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:49,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (344)] Waiting until timeout for monitored process [2024-12-06 04:44:50,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:50,079 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:50,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:50,094 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:50,095 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:50,242 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:50,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (344)] Ended with exit code 0 [2024-12-06 04:44:50,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:50,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:50,258 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:50,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:50,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:50,259 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:50,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:50,261 INFO L229 MonitoredProcess]: Starting monitored process 345 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:50,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (345)] Waiting until timeout for monitored process [2024-12-06 04:44:51,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:51,244 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:51,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:51,261 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:51,261 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:51,409 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:51,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (345)] Ended with exit code 0 [2024-12-06 04:44:51,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:51,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:51,421 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:51,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:51,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:51,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:51,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:51,423 INFO L229 MonitoredProcess]: Starting monitored process 346 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:51,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (346)] Waiting until timeout for monitored process [2024-12-06 04:44:52,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:52,437 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:52,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:52,452 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:52,453 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:52,603 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:52,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (346)] Ended with exit code 0 [2024-12-06 04:44:52,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:52,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:52,615 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:52,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:52,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:52,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:52,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:52,617 INFO L229 MonitoredProcess]: Starting monitored process 347 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:52,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (347)] Waiting until timeout for monitored process [2024-12-06 04:44:53,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:53,460 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:53,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:53,473 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:53,474 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:53,615 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:53,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (347)] Ended with exit code 0 [2024-12-06 04:44:53,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:53,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:53,627 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:53,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:53,628 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:53,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:53,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:53,630 INFO L229 MonitoredProcess]: Starting monitored process 348 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:53,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (348)] Waiting until timeout for monitored process [2024-12-06 04:44:54,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:54,605 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:54,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:54,620 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:54,621 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:54,754 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:54,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (348)] Ended with exit code 0 [2024-12-06 04:44:54,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:54,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:54,765 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:54,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:54,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:54,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:54,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:54,768 INFO L229 MonitoredProcess]: Starting monitored process 349 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:54,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (349)] Waiting until timeout for monitored process [2024-12-06 04:44:55,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:55,725 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:55,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:55,739 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:55,740 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:55,878 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:55,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (349)] Forceful destruction successful, exit code 0 [2024-12-06 04:44:55,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:55,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:55,894 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:55,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:55,894 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:55,894 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:55,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:55,896 INFO L229 MonitoredProcess]: Starting monitored process 350 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:55,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (350)] Waiting until timeout for monitored process [2024-12-06 04:44:56,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:56,712 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:56,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:56,726 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:56,727 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:56,838 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:56,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (350)] Ended with exit code 0 [2024-12-06 04:44:56,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:56,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:56,847 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:56,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:56,848 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:56,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:56,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:56,849 INFO L229 MonitoredProcess]: Starting monitored process 351 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:56,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (351)] Waiting until timeout for monitored process [2024-12-06 04:44:57,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:57,576 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:57,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:57,590 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:57,591 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:57,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:57,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (351)] Ended with exit code 0 [2024-12-06 04:44:57,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:57,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:57,715 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:57,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:57,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:57,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:57,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:57,717 INFO L229 MonitoredProcess]: Starting monitored process 352 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:57,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (352)] Waiting until timeout for monitored process [2024-12-06 04:44:58,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:58,684 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:58,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:58,700 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:58,700 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:58,835 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:44:58,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (352)] Ended with exit code 0 [2024-12-06 04:44:58,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:58,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:44:58,846 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:44:58,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:44:58,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:58,846 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:58,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:58,848 INFO L229 MonitoredProcess]: Starting monitored process 353 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:58,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (353)] Waiting until timeout for monitored process [2024-12-06 04:44:59,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:59,871 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:59,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:59,888 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:44:59,889 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:45:00,039 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:45:00,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (353)] Ended with exit code 0 [2024-12-06 04:45:00,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:45:00,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:45:00,052 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:45:00,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:45:00,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:45:00,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:45:00,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:45:00,054 INFO L229 MonitoredProcess]: Starting monitored process 354 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:45:00,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (354)] Waiting until timeout for monitored process [2024-12-06 04:45:01,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:01,083 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:45:01,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:01,098 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:45:01,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:45:01,214 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:45:01,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (354)] Ended with exit code 0 [2024-12-06 04:45:01,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:45:01,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:45:01,228 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:45:01,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:45:01,228 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:45:01,228 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:45:01,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:45:01,230 INFO L229 MonitoredProcess]: Starting monitored process 355 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:45:01,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (355)] Waiting until timeout for monitored process [2024-12-06 04:45:02,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:02,251 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:45:02,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:02,266 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:45:02,267 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:45:02,413 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:45:02,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (355)] Ended with exit code 0 [2024-12-06 04:45:02,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:45:02,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:45:02,427 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:45:02,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:45:02,427 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:45:02,427 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:45:02,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:45:02,429 INFO L229 MonitoredProcess]: Starting monitored process 356 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:45:02,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (356)] Waiting until timeout for monitored process [2024-12-06 04:45:03,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:03,413 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:45:03,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:03,429 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:45:03,429 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:45:03,578 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:45:03,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (356)] Ended with exit code 0 [2024-12-06 04:45:03,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:45:03,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:45:03,594 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:45:03,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:45:03,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:45:03,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:45:03,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:45:03,597 INFO L229 MonitoredProcess]: Starting monitored process 357 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:45:03,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (357)] Waiting until timeout for monitored process [2024-12-06 04:45:04,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:04,627 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:45:04,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:04,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:45:04,648 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:45:04,794 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:45:04,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (357)] Ended with exit code 0 [2024-12-06 04:45:04,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:45:04,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:45:04,806 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:45:04,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:45:04,807 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:45:04,807 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:45:04,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:45:04,809 INFO L229 MonitoredProcess]: Starting monitored process 358 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:45:04,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (358)] Waiting until timeout for monitored process [2024-12-06 04:45:05,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:05,851 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:45:05,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:05,868 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:45:05,869 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:45:06,018 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:45:06,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (358)] Ended with exit code 0 [2024-12-06 04:45:06,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:45:06,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:45:06,030 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:45:06,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:45:06,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:45:06,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:45:06,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:45:06,032 INFO L229 MonitoredProcess]: Starting monitored process 359 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:45:06,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (359)] Waiting until timeout for monitored process [2024-12-06 04:45:06,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:06,991 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:45:07,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:07,007 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:45:07,008 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:45:07,153 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:45:07,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (359)] Ended with exit code 0 [2024-12-06 04:45:07,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:45:07,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:45:07,165 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:45:07,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:45:07,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:45:07,166 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:45:07,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:45:07,168 INFO L229 MonitoredProcess]: Starting monitored process 360 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:45:07,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (360)] Waiting until timeout for monitored process [2024-12-06 04:45:08,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:08,179 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:45:08,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:08,197 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:45:08,198 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:45:08,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:45:08,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (360)] Ended with exit code 0 [2024-12-06 04:45:08,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:45:08,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:45:08,359 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:45:08,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:45:08,359 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:45:08,359 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:45:08,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:45:08,362 INFO L229 MonitoredProcess]: Starting monitored process 361 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:45:08,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (361)] Waiting until timeout for monitored process [2024-12-06 04:45:09,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:09,241 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:45:09,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:09,256 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:45:09,257 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:45:09,404 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:45:09,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (361)] Ended with exit code 0 [2024-12-06 04:45:09,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:45:09,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:45:09,416 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:45:09,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:45:09,417 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:45:09,417 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:45:09,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:45:09,419 INFO L229 MonitoredProcess]: Starting monitored process 362 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:45:09,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (362)] Waiting until timeout for monitored process [2024-12-06 04:45:10,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:10,464 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:45:10,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:10,479 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:45:10,480 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:45:10,631 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:45:10,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (362)] Ended with exit code 0 [2024-12-06 04:45:10,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:45:10,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:45:10,642 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:45:10,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:45:10,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:45:10,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:45:10,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:45:10,644 INFO L229 MonitoredProcess]: Starting monitored process 363 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:45:10,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (363)] Waiting until timeout for monitored process [2024-12-06 04:45:11,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:11,476 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:45:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:11,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:45:11,491 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:45:11,604 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:45:11,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (363)] Ended with exit code 0 [2024-12-06 04:45:11,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:45:11,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:45:11,613 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:45:11,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:45:11,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:45:11,614 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:45:11,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:45:11,615 INFO L229 MonitoredProcess]: Starting monitored process 364 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:45:11,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (364)] Waiting until timeout for monitored process [2024-12-06 04:45:12,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:12,421 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:45:12,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:12,433 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:45:12,434 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:45:12,537 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:45:12,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (364)] Ended with exit code 0 [2024-12-06 04:45:12,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:45:12,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:45:12,546 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:45:12,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:45:12,546 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:45:12,547 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:45:12,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:45:12,548 INFO L229 MonitoredProcess]: Starting monitored process 365 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:45:12,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (365)] Waiting until timeout for monitored process [2024-12-06 04:45:13,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:13,350 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:45:13,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:13,363 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:45:13,364 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:45:13,483 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:45:13,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (365)] Ended with exit code 0 [2024-12-06 04:45:13,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:45:13,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:45:13,492 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:45:13,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:45:13,492 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:45:13,492 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:45:13,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:45:13,494 INFO L229 MonitoredProcess]: Starting monitored process 366 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:45:13,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (366)] Waiting until timeout for monitored process [2024-12-06 04:45:14,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:14,249 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:45:14,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:14,265 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:45:14,266 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:45:14,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:45:14,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (366)] Ended with exit code 0 [2024-12-06 04:45:14,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:45:14,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:45:14,375 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:45:14,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:45:14,376 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:45:14,376 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:45:14,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:45:14,377 INFO L229 MonitoredProcess]: Starting monitored process 367 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:45:14,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (367)] Waiting until timeout for monitored process [2024-12-06 04:45:15,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:15,157 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:45:15,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:15,172 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:45:15,173 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:45:15,316 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:45:15,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (367)] Ended with exit code 0 [2024-12-06 04:45:15,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:45:15,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:45:15,328 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:45:15,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:45:15,329 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:45:15,329 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:45:15,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:45:15,331 INFO L229 MonitoredProcess]: Starting monitored process 368 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:45:15,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (368)] Waiting until timeout for monitored process [2024-12-06 04:45:16,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:16,274 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:45:16,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:16,289 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:45:16,290 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:45:16,423 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:45:16,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (368)] Ended with exit code 0 [2024-12-06 04:45:16,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:45:16,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:45:16,435 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:45:16,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:45:16,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:45:16,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:45:16,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:45:16,437 INFO L229 MonitoredProcess]: Starting monitored process 369 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:45:16,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (369)] Waiting until timeout for monitored process [2024-12-06 04:45:17,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:17,430 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:45:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:17,445 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:45:17,446 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:45:17,595 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:45:17,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (369)] Ended with exit code 0 [2024-12-06 04:45:17,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:45:17,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:45:17,608 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:45:17,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:45:17,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:45:17,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:45:17,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:45:17,611 INFO L229 MonitoredProcess]: Starting monitored process 370 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:45:17,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (370)] Waiting until timeout for monitored process [2024-12-06 04:45:18,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:18,632 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:45:18,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:18,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:45:18,648 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:45:18,783 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:45:18,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (370)] Ended with exit code 0 [2024-12-06 04:45:18,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:45:18,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:45:18,793 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:45:18,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:45:18,794 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:45:18,794 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:45:18,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:45:18,796 INFO L229 MonitoredProcess]: Starting monitored process 371 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:45:18,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (371)] Waiting until timeout for monitored process [2024-12-06 04:45:19,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:19,730 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:45:19,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:19,742 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:45:19,743 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:45:19,850 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:45:19,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (371)] Forceful destruction successful, exit code 0 [2024-12-06 04:45:19,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:45:19,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:45:19,859 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:45:19,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:45:19,860 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:45:19,860 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:45:19,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:45:19,861 INFO L229 MonitoredProcess]: Starting monitored process 372 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:45:19,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (372)] Waiting until timeout for monitored process [2024-12-06 04:45:20,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:20,671 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:45:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:20,686 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:45:20,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:45:20,836 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:45:20,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (372)] Ended with exit code 0 [2024-12-06 04:45:20,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:45:20,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:45:20,853 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:45:20,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:45:20,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:45:20,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:45:20,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:45:20,855 INFO L229 MonitoredProcess]: Starting monitored process 373 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:45:20,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (373)] Waiting until timeout for monitored process [2024-12-06 04:45:21,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:21,837 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:45:21,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:21,852 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:45:21,853 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:45:21,997 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:45:22,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (373)] Ended with exit code 0 [2024-12-06 04:45:22,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:45:22,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:45:22,007 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:45:22,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:45:22,008 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:45:22,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:45:22,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:45:22,010 INFO L229 MonitoredProcess]: Starting monitored process 374 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:45:22,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (374)] Waiting until timeout for monitored process [2024-12-06 04:45:22,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:22,887 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:45:22,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:22,902 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:45:22,903 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:45:23,042 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:45:23,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (374)] Ended with exit code 0 [2024-12-06 04:45:23,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:45:23,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:45:23,055 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:45:23,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:45:23,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:45:23,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:45:23,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:45:23,057 INFO L229 MonitoredProcess]: Starting monitored process 375 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:45:23,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (375)] Waiting until timeout for monitored process [2024-12-06 04:45:24,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:24,081 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:45:24,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:24,097 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:45:24,098 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:45:24,247 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:45:24,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (375)] Ended with exit code 0 [2024-12-06 04:45:24,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:45:24,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:45:24,259 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:45:24,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:45:24,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:45:24,259 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:45:24,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:45:24,261 INFO L229 MonitoredProcess]: Starting monitored process 376 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:45:24,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (376)] Waiting until timeout for monitored process [2024-12-06 04:45:25,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:25,271 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:45:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:25,282 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:45:25,283 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:45:25,401 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:45:25,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (376)] Ended with exit code 0 [2024-12-06 04:45:25,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:45:25,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:45:25,410 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:45:25,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:45:25,410 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:45:25,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:45:25,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:45:25,412 INFO L229 MonitoredProcess]: Starting monitored process 377 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:45:25,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (377)] Waiting until timeout for monitored process [2024-12-06 04:45:26,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:26,266 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:45:26,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:26,282 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:45:26,283 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:45:26,428 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:45:26,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (377)] Ended with exit code 0 [2024-12-06 04:45:26,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:45:26,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:45:26,441 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:45:26,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:45:26,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:45:26,441 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:45:26,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:45:26,444 INFO L229 MonitoredProcess]: Starting monitored process 378 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:45:26,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (378)] Waiting until timeout for monitored process [2024-12-06 04:45:27,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:27,485 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:45:27,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:27,502 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:45:27,502 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:45:27,655 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:45:27,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (378)] Ended with exit code 0 WARNING: YOUR LOGFILE WAS TOO LONG, SOME LINES IN THE MIDDLE WERE REMOVED. [2024-12-06 04:47:55,127 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:47:55,127 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:47:55,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:47:55,129 INFO L229 MonitoredProcess]: Starting monitored process 505 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:47:55,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (505)] Waiting until timeout for monitored process [2024-12-06 04:47:56,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:56,351 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:47:56,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:56,367 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:47:56,368 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:47:56,522 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:47:56,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (505)] Ended with exit code 0 [2024-12-06 04:47:56,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:47:56,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:47:56,535 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:47:56,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:47:56,535 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:47:56,535 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:47:56,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:47:56,538 INFO L229 MonitoredProcess]: Starting monitored process 506 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:47:56,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (506)] Waiting until timeout for monitored process [2024-12-06 04:47:57,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:57,646 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:47:57,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:57,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:47:57,662 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:47:57,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:47:57,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (506)] Ended with exit code 0 [2024-12-06 04:47:57,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:47:57,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:47:57,831 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:47:57,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:47:57,831 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:47:57,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:47:57,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:47:57,834 INFO L229 MonitoredProcess]: Starting monitored process 507 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:47:57,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (507)] Waiting until timeout for monitored process [2024-12-06 04:47:58,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:58,989 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:47:59,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:59,006 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:47:59,007 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:47:59,154 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:47:59,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (507)] Ended with exit code 0 [2024-12-06 04:47:59,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:47:59,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:47:59,168 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:47:59,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:47:59,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:47:59,168 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:47:59,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:47:59,170 INFO L229 MonitoredProcess]: Starting monitored process 508 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:47:59,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (508)] Waiting until timeout for monitored process [2024-12-06 04:48:00,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:00,363 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:00,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:00,379 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:00,379 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:00,517 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:00,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (508)] Ended with exit code 0 [2024-12-06 04:48:00,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:00,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:00,529 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:00,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:00,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:00,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:00,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:00,531 INFO L229 MonitoredProcess]: Starting monitored process 509 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:00,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (509)] Waiting until timeout for monitored process [2024-12-06 04:48:01,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:01,577 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:01,592 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:01,593 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:01,725 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:01,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (509)] Ended with exit code 0 [2024-12-06 04:48:01,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:01,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:01,739 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:01,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:01,739 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:01,739 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:01,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:01,741 INFO L229 MonitoredProcess]: Starting monitored process 510 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:01,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (510)] Waiting until timeout for monitored process [2024-12-06 04:48:02,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:02,807 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:02,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:02,822 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:02,823 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:02,983 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:02,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (510)] Ended with exit code 0 [2024-12-06 04:48:02,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:02,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:02,996 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:02,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:02,996 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:02,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:02,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:02,998 INFO L229 MonitoredProcess]: Starting monitored process 511 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:03,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (511)] Waiting until timeout for monitored process [2024-12-06 04:48:04,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:04,207 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:04,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:04,224 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:04,224 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:04,374 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:04,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (511)] Ended with exit code 0 [2024-12-06 04:48:04,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:04,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:04,386 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:04,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:04,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:04,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:04,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:04,389 INFO L229 MonitoredProcess]: Starting monitored process 512 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:04,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (512)] Waiting until timeout for monitored process [2024-12-06 04:48:05,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:05,366 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:05,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:05,380 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:05,380 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:05,489 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:05,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (512)] Ended with exit code 0 [2024-12-06 04:48:05,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:05,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:05,499 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:05,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:05,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:05,500 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:05,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:05,502 INFO L229 MonitoredProcess]: Starting monitored process 513 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:05,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (513)] Waiting until timeout for monitored process [2024-12-06 04:48:06,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:06,344 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:06,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:06,356 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:06,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:06,465 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:06,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (513)] Ended with exit code 0 [2024-12-06 04:48:06,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:06,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:06,476 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:06,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:06,476 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:06,476 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:06,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:06,478 INFO L229 MonitoredProcess]: Starting monitored process 514 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:06,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (514)] Waiting until timeout for monitored process [2024-12-06 04:48:07,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:07,310 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:07,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:07,323 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:07,324 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:07,429 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:07,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (514)] Forceful destruction successful, exit code 0 [2024-12-06 04:48:07,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:07,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:07,439 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:07,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:07,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:07,439 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:07,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:07,440 INFO L229 MonitoredProcess]: Starting monitored process 515 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:07,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (515)] Waiting until timeout for monitored process [2024-12-06 04:48:08,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:08,282 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:08,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:08,294 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:08,295 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:08,392 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:08,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (515)] Ended with exit code 0 [2024-12-06 04:48:08,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:08,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:08,402 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:08,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:08,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:08,403 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:08,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:08,404 INFO L229 MonitoredProcess]: Starting monitored process 516 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:08,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (516)] Waiting until timeout for monitored process [2024-12-06 04:48:09,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:09,253 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:09,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:09,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:09,269 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:09,372 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:09,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (516)] Ended with exit code 0 [2024-12-06 04:48:09,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:09,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:09,382 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:09,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:09,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:09,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:09,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:09,384 INFO L229 MonitoredProcess]: Starting monitored process 517 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:09,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (517)] Waiting until timeout for monitored process [2024-12-06 04:48:10,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:10,220 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:10,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:10,235 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:10,236 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:10,346 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:10,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (517)] Ended with exit code 0 [2024-12-06 04:48:10,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:10,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:10,356 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:10,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:10,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:10,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:10,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:10,358 INFO L229 MonitoredProcess]: Starting monitored process 518 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:10,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (518)] Waiting until timeout for monitored process [2024-12-06 04:48:11,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:11,201 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:11,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:11,214 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:11,215 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:11,319 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:11,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (518)] Ended with exit code 0 [2024-12-06 04:48:11,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:11,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:11,329 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:11,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:11,329 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:11,329 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:11,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:11,331 INFO L229 MonitoredProcess]: Starting monitored process 519 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:11,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (519)] Waiting until timeout for monitored process [2024-12-06 04:48:12,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:12,215 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:12,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:12,231 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:12,232 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:12,344 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:12,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (519)] Ended with exit code 0 [2024-12-06 04:48:12,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:12,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:12,354 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:12,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:12,355 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:12,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:12,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:12,356 INFO L229 MonitoredProcess]: Starting monitored process 520 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:12,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (520)] Waiting until timeout for monitored process [2024-12-06 04:48:13,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:13,276 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:13,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:13,290 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:13,291 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:13,399 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:13,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (520)] Ended with exit code 0 [2024-12-06 04:48:13,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:13,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:13,412 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:13,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:13,412 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:13,412 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:13,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:13,413 INFO L229 MonitoredProcess]: Starting monitored process 521 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:13,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (521)] Waiting until timeout for monitored process [2024-12-06 04:48:14,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:14,321 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:14,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:14,335 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:14,335 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:14,443 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:14,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (521)] Ended with exit code 0 [2024-12-06 04:48:14,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:14,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:14,452 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:14,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:14,452 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:14,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:14,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:14,454 INFO L229 MonitoredProcess]: Starting monitored process 522 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:14,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (522)] Waiting until timeout for monitored process [2024-12-06 04:48:15,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:15,370 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:15,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:15,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:15,388 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:15,535 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:15,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (522)] Ended with exit code 0 [2024-12-06 04:48:15,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:15,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:15,549 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:15,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:15,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:15,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:15,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:15,552 INFO L229 MonitoredProcess]: Starting monitored process 523 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:15,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (523)] Waiting until timeout for monitored process [2024-12-06 04:48:16,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:16,721 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:16,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:16,739 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:16,740 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:16,892 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:16,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (523)] Ended with exit code 0 [2024-12-06 04:48:16,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:16,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:16,904 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:16,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:16,904 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:16,905 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:16,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:16,907 INFO L229 MonitoredProcess]: Starting monitored process 524 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:16,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (524)] Waiting until timeout for monitored process [2024-12-06 04:48:18,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:18,048 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:18,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:18,064 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:18,065 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:18,214 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:18,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (524)] Ended with exit code 0 [2024-12-06 04:48:18,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:18,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:18,229 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:18,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:18,229 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:18,229 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:18,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:18,232 INFO L229 MonitoredProcess]: Starting monitored process 525 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:18,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (525)] Waiting until timeout for monitored process [2024-12-06 04:48:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:19,387 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:19,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:19,404 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:19,405 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:19,563 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:19,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (525)] Ended with exit code 0 [2024-12-06 04:48:19,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:19,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:19,577 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:19,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:19,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:19,577 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:19,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:19,579 INFO L229 MonitoredProcess]: Starting monitored process 526 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:19,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (526)] Waiting until timeout for monitored process [2024-12-06 04:48:20,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:20,700 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:20,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:20,716 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:20,717 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:20,874 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:20,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (526)] Ended with exit code 0 [2024-12-06 04:48:20,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:20,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:20,888 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:20,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:20,888 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:20,888 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:20,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:20,890 INFO L229 MonitoredProcess]: Starting monitored process 527 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:20,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (527)] Waiting until timeout for monitored process [2024-12-06 04:48:22,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:22,010 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:22,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:22,026 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:22,026 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:22,174 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:22,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (527)] Ended with exit code 0 [2024-12-06 04:48:22,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:22,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:22,188 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:22,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:22,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:22,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:22,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:22,191 INFO L229 MonitoredProcess]: Starting monitored process 528 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:22,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (528)] Waiting until timeout for monitored process [2024-12-06 04:48:23,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:23,352 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:23,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:23,369 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:23,370 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:23,517 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:23,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (528)] Ended with exit code 0 [2024-12-06 04:48:23,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:23,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:23,530 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:23,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:23,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:23,531 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:23,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:23,533 INFO L229 MonitoredProcess]: Starting monitored process 529 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:23,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (529)] Waiting until timeout for monitored process [2024-12-06 04:48:24,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:24,611 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:24,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:24,626 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:24,627 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:24,775 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:24,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (529)] Ended with exit code 0 [2024-12-06 04:48:24,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:24,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:24,789 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:24,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:24,789 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:24,789 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:24,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:24,791 INFO L229 MonitoredProcess]: Starting monitored process 530 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:24,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (530)] Waiting until timeout for monitored process [2024-12-06 04:48:25,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:25,753 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:25,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:25,765 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:25,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:25,870 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:25,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (530)] Ended with exit code 0 [2024-12-06 04:48:25,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:25,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:25,879 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:25,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:25,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:25,879 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:25,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:25,881 INFO L229 MonitoredProcess]: Starting monitored process 531 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:25,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (531)] Waiting until timeout for monitored process [2024-12-06 04:48:26,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:26,625 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:26,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:26,637 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:26,637 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:26,743 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:26,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (531)] Ended with exit code 0 [2024-12-06 04:48:26,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:26,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:26,752 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:26,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:26,752 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:26,752 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:26,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:26,754 INFO L229 MonitoredProcess]: Starting monitored process 532 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:26,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (532)] Waiting until timeout for monitored process [2024-12-06 04:48:27,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:27,487 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:27,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:27,500 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:27,501 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:27,593 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:27,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (532)] Ended with exit code 0 [2024-12-06 04:48:27,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:27,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:27,602 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:27,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:27,602 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:27,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:27,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:27,604 INFO L229 MonitoredProcess]: Starting monitored process 533 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:27,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (533)] Waiting until timeout for monitored process [2024-12-06 04:48:28,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:28,379 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:28,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:28,391 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:28,391 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:28,493 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:28,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (533)] Forceful destruction successful, exit code 0 [2024-12-06 04:48:28,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:28,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:28,504 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:28,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:28,504 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:28,505 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:28,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:28,506 INFO L229 MonitoredProcess]: Starting monitored process 534 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:28,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (534)] Waiting until timeout for monitored process [2024-12-06 04:48:29,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:29,292 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:29,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:29,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:29,304 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:29,412 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:29,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (534)] Forceful destruction successful, exit code 0 [2024-12-06 04:48:29,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:29,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:29,422 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:29,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:29,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:29,422 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:29,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:29,424 INFO L229 MonitoredProcess]: Starting monitored process 535 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:29,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (535)] Waiting until timeout for monitored process [2024-12-06 04:48:30,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:30,170 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:30,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:30,184 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:30,185 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:30,297 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:30,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (535)] Ended with exit code 0 [2024-12-06 04:48:30,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:30,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:30,309 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:30,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:30,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:30,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:30,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:30,311 INFO L229 MonitoredProcess]: Starting monitored process 536 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:30,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (536)] Waiting until timeout for monitored process [2024-12-06 04:48:31,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:31,051 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:31,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:31,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:31,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:31,168 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:31,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (536)] Ended with exit code 0 [2024-12-06 04:48:31,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:31,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:31,176 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:31,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:31,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:31,177 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:31,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:31,178 INFO L229 MonitoredProcess]: Starting monitored process 537 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:31,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (537)] Waiting until timeout for monitored process [2024-12-06 04:48:31,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:31,932 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:31,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:31,943 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:31,943 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:32,043 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:32,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (537)] Ended with exit code 0 [2024-12-06 04:48:32,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:32,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:32,052 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:32,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:32,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:32,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:32,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:32,054 INFO L229 MonitoredProcess]: Starting monitored process 538 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:32,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (538)] Waiting until timeout for monitored process [2024-12-06 04:48:32,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:32,791 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:32,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:32,803 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:32,803 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:32,906 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:32,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (538)] Ended with exit code 0 [2024-12-06 04:48:32,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:32,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:32,915 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:32,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:32,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:32,915 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:32,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:32,917 INFO L229 MonitoredProcess]: Starting monitored process 539 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:32,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (539)] Waiting until timeout for monitored process [2024-12-06 04:48:33,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:33,678 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:33,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:33,691 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:33,691 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:33,799 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:33,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (539)] Ended with exit code 0 [2024-12-06 04:48:33,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:33,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:33,809 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:33,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:33,809 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:33,809 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:33,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:33,811 INFO L229 MonitoredProcess]: Starting monitored process 540 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:33,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (540)] Waiting until timeout for monitored process [2024-12-06 04:48:34,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:34,593 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:34,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:34,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:34,605 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:34,703 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:34,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (540)] Ended with exit code 0 [2024-12-06 04:48:34,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:34,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:34,712 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:34,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:34,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:34,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:34,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:34,714 INFO L229 MonitoredProcess]: Starting monitored process 541 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:34,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (541)] Waiting until timeout for monitored process [2024-12-06 04:48:35,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:35,444 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:35,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:35,457 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:35,457 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:35,563 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:35,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (541)] Ended with exit code 0 [2024-12-06 04:48:35,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:35,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:35,572 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:35,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:35,572 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:35,572 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:35,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:35,574 INFO L229 MonitoredProcess]: Starting monitored process 542 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:35,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (542)] Waiting until timeout for monitored process [2024-12-06 04:48:36,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:36,350 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:36,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:36,362 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:36,363 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:36,462 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:36,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (542)] Ended with exit code 0 [2024-12-06 04:48:36,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:36,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:36,470 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:36,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:36,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:36,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:36,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:36,472 INFO L229 MonitoredProcess]: Starting monitored process 543 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:36,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (543)] Waiting until timeout for monitored process [2024-12-06 04:48:37,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:37,243 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:37,254 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:37,254 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:37,353 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:37,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (543)] Ended with exit code 0 [2024-12-06 04:48:37,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:37,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:37,363 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:37,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:37,363 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:37,363 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:37,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:37,364 INFO L229 MonitoredProcess]: Starting monitored process 544 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:37,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (544)] Waiting until timeout for monitored process [2024-12-06 04:48:38,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:38,146 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:38,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:38,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:38,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:38,264 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:38,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (544)] Forceful destruction successful, exit code 0 [2024-12-06 04:48:38,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:38,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:38,273 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:38,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:38,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:38,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:38,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:38,275 INFO L229 MonitoredProcess]: Starting monitored process 545 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:38,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (545)] Waiting until timeout for monitored process [2024-12-06 04:48:39,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:39,055 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:39,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:39,069 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:39,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:39,174 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:39,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (545)] Ended with exit code 0 [2024-12-06 04:48:39,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:39,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:39,183 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:39,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:39,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:39,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:39,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:39,185 INFO L229 MonitoredProcess]: Starting monitored process 546 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:39,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (546)] Waiting until timeout for monitored process [2024-12-06 04:48:39,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:39,929 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:39,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:39,941 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:39,941 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:40,043 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:40,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (546)] Ended with exit code 0 [2024-12-06 04:48:40,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:40,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:40,053 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:40,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:40,053 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:40,053 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:40,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:40,055 INFO L229 MonitoredProcess]: Starting monitored process 547 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:40,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (547)] Waiting until timeout for monitored process [2024-12-06 04:48:40,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:40,810 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:40,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:40,821 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:40,821 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:40,924 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:40,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (547)] Ended with exit code 0 [2024-12-06 04:48:40,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:40,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:40,934 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:40,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:40,934 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:40,934 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:40,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:40,935 INFO L229 MonitoredProcess]: Starting monitored process 548 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:40,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (548)] Waiting until timeout for monitored process [2024-12-06 04:48:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:41,782 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:41,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:41,794 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:41,795 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:41,897 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:41,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (548)] Ended with exit code 0 [2024-12-06 04:48:41,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:41,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:41,906 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:41,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:41,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:41,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:41,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:41,908 INFO L229 MonitoredProcess]: Starting monitored process 549 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:41,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (549)] Waiting until timeout for monitored process [2024-12-06 04:48:42,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:42,658 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:42,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:42,670 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:42,670 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:42,770 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:42,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (549)] Forceful destruction successful, exit code 0 [2024-12-06 04:48:42,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:42,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:42,778 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:42,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:42,778 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:42,778 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:42,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:42,780 INFO L229 MonitoredProcess]: Starting monitored process 550 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:42,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (550)] Waiting until timeout for monitored process [2024-12-06 04:48:43,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:43,524 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:43,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:43,536 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:43,537 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:43,640 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:43,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (550)] Ended with exit code 0 [2024-12-06 04:48:43,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:43,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:43,649 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:43,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:43,649 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:43,649 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:43,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:43,651 INFO L229 MonitoredProcess]: Starting monitored process 551 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:43,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (551)] Waiting until timeout for monitored process [2024-12-06 04:48:44,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:44,367 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:44,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:44,380 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:44,381 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:44,478 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:44,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (551)] Ended with exit code 0 [2024-12-06 04:48:44,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:44,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:44,488 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:44,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:44,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:44,488 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:44,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:44,490 INFO L229 MonitoredProcess]: Starting monitored process 552 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:44,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (552)] Waiting until timeout for monitored process [2024-12-06 04:48:45,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:45,216 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:45,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:45,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:45,229 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:45,337 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:45,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (552)] Ended with exit code 0 [2024-12-06 04:48:45,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:45,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:45,346 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:45,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:45,346 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:45,346 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:45,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:45,348 INFO L229 MonitoredProcess]: Starting monitored process 553 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:45,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (553)] Waiting until timeout for monitored process [2024-12-06 04:48:46,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:46,088 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:46,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:46,100 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:46,101 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:46,200 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:46,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (553)] Ended with exit code 0 [2024-12-06 04:48:46,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:46,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:46,210 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:46,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:46,210 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:46,210 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:46,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:46,212 INFO L229 MonitoredProcess]: Starting monitored process 554 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:46,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (554)] Waiting until timeout for monitored process [2024-12-06 04:48:46,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:46,999 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:47,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:47,010 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:47,011 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:47,111 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:47,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (554)] Ended with exit code 0 [2024-12-06 04:48:47,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:47,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:47,121 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:47,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:47,121 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:47,121 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:47,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:47,123 INFO L229 MonitoredProcess]: Starting monitored process 555 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:47,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (555)] Waiting until timeout for monitored process [2024-12-06 04:48:47,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:47,917 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:47,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:47,932 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:47,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:48,033 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:48,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (555)] Ended with exit code 0 [2024-12-06 04:48:48,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:48,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:48,042 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:48,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:48,042 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:48,042 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:48,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:48,044 INFO L229 MonitoredProcess]: Starting monitored process 556 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:48,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (556)] Waiting until timeout for monitored process [2024-12-06 04:48:48,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:48,811 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:48,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:48,822 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:48,823 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:48,931 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:48,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (556)] Ended with exit code 0 [2024-12-06 04:48:48,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:48,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:48,940 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:48,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:48,941 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:48,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:48,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:48,942 INFO L229 MonitoredProcess]: Starting monitored process 557 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:48,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (557)] Waiting until timeout for monitored process [2024-12-06 04:48:49,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:49,701 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:49,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:49,712 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:49,713 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:49,820 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:49,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (557)] Ended with exit code 0 [2024-12-06 04:48:49,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:49,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:49,829 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:49,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:49,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:49,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:49,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:49,831 INFO L229 MonitoredProcess]: Starting monitored process 558 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:49,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (558)] Waiting until timeout for monitored process [2024-12-06 04:48:50,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:50,571 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:50,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:50,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:50,582 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:50,680 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:50,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (558)] Ended with exit code 0 [2024-12-06 04:48:50,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:50,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:50,690 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:50,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:50,690 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:50,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:50,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:50,692 INFO L229 MonitoredProcess]: Starting monitored process 559 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:50,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (559)] Waiting until timeout for monitored process [2024-12-06 04:48:51,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:51,463 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:51,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:51,476 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:51,477 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:51,584 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:51,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (559)] Ended with exit code 0 [2024-12-06 04:48:51,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:51,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:51,593 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:51,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:51,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:51,594 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:51,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:51,595 INFO L229 MonitoredProcess]: Starting monitored process 560 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:51,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (560)] Waiting until timeout for monitored process [2024-12-06 04:48:52,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:52,432 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:52,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:52,444 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:52,445 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:52,542 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:52,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (560)] Ended with exit code 0 [2024-12-06 04:48:52,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:52,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:52,551 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:52,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:52,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:52,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:52,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:52,553 INFO L229 MonitoredProcess]: Starting monitored process 561 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:52,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (561)] Waiting until timeout for monitored process [2024-12-06 04:48:53,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:53,304 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:53,317 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:53,317 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:53,424 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:53,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (561)] Ended with exit code 0 [2024-12-06 04:48:53,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:53,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:53,432 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:53,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:53,432 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:53,433 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:53,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:53,434 INFO L229 MonitoredProcess]: Starting monitored process 562 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:53,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (562)] Waiting until timeout for monitored process [2024-12-06 04:48:54,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:54,196 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:54,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:54,207 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:54,208 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:54,310 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:54,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (562)] Ended with exit code 0 [2024-12-06 04:48:54,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:54,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:54,321 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:54,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:54,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:54,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:54,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:54,323 INFO L229 MonitoredProcess]: Starting monitored process 563 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:54,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (563)] Waiting until timeout for monitored process [2024-12-06 04:48:55,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:55,048 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:55,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:55,059 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:55,060 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:55,163 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:55,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (563)] Ended with exit code 0 [2024-12-06 04:48:55,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:55,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:55,172 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:55,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:55,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:55,173 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:55,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:55,174 INFO L229 MonitoredProcess]: Starting monitored process 564 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:55,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (564)] Waiting until timeout for monitored process [2024-12-06 04:48:55,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:55,899 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:55,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:55,910 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:55,910 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:56,010 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:56,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (564)] Ended with exit code 0 [2024-12-06 04:48:56,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:56,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:56,019 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:56,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:56,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:56,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:56,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:56,021 INFO L229 MonitoredProcess]: Starting monitored process 565 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:56,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (565)] Waiting until timeout for monitored process [2024-12-06 04:48:56,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:56,781 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:56,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:56,792 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:56,793 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:56,899 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:56,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (565)] Ended with exit code 0 [2024-12-06 04:48:56,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:56,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:56,908 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:56,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:56,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:56,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:56,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:56,910 INFO L229 MonitoredProcess]: Starting monitored process 566 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:56,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (566)] Waiting until timeout for monitored process [2024-12-06 04:48:57,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:57,636 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:57,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:57,648 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:57,649 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:57,757 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:57,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (566)] Ended with exit code 0 [2024-12-06 04:48:57,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:57,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:57,766 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:57,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:57,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:57,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:57,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:57,768 INFO L229 MonitoredProcess]: Starting monitored process 567 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:57,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (567)] Waiting until timeout for monitored process [2024-12-06 04:48:58,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:58,519 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:58,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:58,531 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:58,532 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:58,637 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:58,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (567)] Ended with exit code 0 [2024-12-06 04:48:58,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:58,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:58,646 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:58,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:58,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:58,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:58,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:58,648 INFO L229 MonitoredProcess]: Starting monitored process 568 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:58,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (568)] Waiting until timeout for monitored process [2024-12-06 04:48:59,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:59,415 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:59,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:59,428 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:48:59,429 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:59,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:48:59,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (568)] Ended with exit code 0 [2024-12-06 04:48:59,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:59,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:48:59,542 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:48:59,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:48:59,542 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:59,542 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:59,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:59,544 INFO L229 MonitoredProcess]: Starting monitored process 569 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:59,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (569)] Waiting until timeout for monitored process [2024-12-06 04:49:00,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:00,292 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:00,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:00,303 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:00,303 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:00,404 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:00,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (569)] Ended with exit code 0 [2024-12-06 04:49:00,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:00,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:00,413 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:00,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:00,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:00,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:00,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:00,415 INFO L229 MonitoredProcess]: Starting monitored process 570 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:00,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (570)] Waiting until timeout for monitored process [2024-12-06 04:49:01,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:01,121 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:01,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:01,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:01,134 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:01,236 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:01,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (570)] Forceful destruction successful, exit code 0 [2024-12-06 04:49:01,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:01,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:01,245 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:01,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:01,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:01,245 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:01,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:01,246 INFO L229 MonitoredProcess]: Starting monitored process 571 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:01,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (571)] Waiting until timeout for monitored process [2024-12-06 04:49:01,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:01,985 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:01,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:01,997 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:01,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:02,101 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:02,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (571)] Ended with exit code 0 [2024-12-06 04:49:02,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:02,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:02,110 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:02,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:02,110 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:02,110 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:02,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:02,112 INFO L229 MonitoredProcess]: Starting monitored process 572 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:02,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (572)] Waiting until timeout for monitored process [2024-12-06 04:49:02,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:02,947 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:02,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:02,961 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:02,962 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:03,066 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:03,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (572)] Ended with exit code 0 [2024-12-06 04:49:03,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:03,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:03,075 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:03,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:03,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:03,076 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:03,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:03,077 INFO L229 MonitoredProcess]: Starting monitored process 573 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:03,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (573)] Waiting until timeout for monitored process [2024-12-06 04:49:03,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:03,855 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:03,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:03,865 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:03,866 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:03,969 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:03,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (573)] Ended with exit code 0 [2024-12-06 04:49:03,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:03,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:03,978 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:03,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:03,979 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:03,979 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:03,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:03,980 INFO L229 MonitoredProcess]: Starting monitored process 574 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:03,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (574)] Waiting until timeout for monitored process [2024-12-06 04:49:04,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:04,768 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:04,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:04,780 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:04,780 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:04,882 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:04,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (574)] Ended with exit code 0 [2024-12-06 04:49:04,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:04,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:04,890 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:04,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:04,890 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:04,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:04,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:04,892 INFO L229 MonitoredProcess]: Starting monitored process 575 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:04,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (575)] Waiting until timeout for monitored process [2024-12-06 04:49:05,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:05,628 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:05,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:05,639 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:05,639 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:05,741 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:05,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (575)] Ended with exit code 0 [2024-12-06 04:49:05,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:05,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:05,750 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:05,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:05,750 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:05,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:05,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:05,752 INFO L229 MonitoredProcess]: Starting monitored process 576 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:05,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (576)] Waiting until timeout for monitored process [2024-12-06 04:49:06,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:06,454 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:06,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:06,466 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:06,466 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:06,566 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:06,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (576)] Ended with exit code 0 [2024-12-06 04:49:06,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:06,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:06,575 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:06,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:06,575 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:06,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:06,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:06,577 INFO L229 MonitoredProcess]: Starting monitored process 577 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:06,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (577)] Waiting until timeout for monitored process [2024-12-06 04:49:07,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:07,304 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:07,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:07,315 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:07,316 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:07,413 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:07,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (577)] Ended with exit code 0 [2024-12-06 04:49:07,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:07,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:07,423 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:07,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:07,423 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:07,423 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:07,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:07,425 INFO L229 MonitoredProcess]: Starting monitored process 578 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:07,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (578)] Waiting until timeout for monitored process [2024-12-06 04:49:08,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:08,167 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:08,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:08,179 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:08,179 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:08,285 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:08,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (578)] Ended with exit code 0 [2024-12-06 04:49:08,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:08,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:08,295 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:08,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:08,295 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:08,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:08,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:08,296 INFO L229 MonitoredProcess]: Starting monitored process 579 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:08,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (579)] Waiting until timeout for monitored process [2024-12-06 04:49:09,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:09,041 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:09,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:09,052 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:09,053 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:09,156 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:09,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (579)] Ended with exit code 0 [2024-12-06 04:49:09,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:09,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:09,165 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:09,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:09,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:09,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:09,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:09,167 INFO L229 MonitoredProcess]: Starting monitored process 580 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:09,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (580)] Waiting until timeout for monitored process [2024-12-06 04:49:09,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:09,920 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:09,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:09,931 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:09,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:10,037 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:10,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (580)] Ended with exit code 0 [2024-12-06 04:49:10,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:10,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:10,050 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:10,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:10,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:10,051 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:10,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:10,052 INFO L229 MonitoredProcess]: Starting monitored process 581 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:10,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (581)] Waiting until timeout for monitored process [2024-12-06 04:49:10,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:10,817 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:10,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:10,829 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:10,830 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:10,928 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:10,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (581)] Ended with exit code 0 [2024-12-06 04:49:10,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:10,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:10,937 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:10,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:10,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:10,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:10,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:10,939 INFO L229 MonitoredProcess]: Starting monitored process 582 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:10,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (582)] Waiting until timeout for monitored process [2024-12-06 04:49:11,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:11,703 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:11,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:11,715 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:11,715 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:11,819 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:11,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (582)] Ended with exit code 0 [2024-12-06 04:49:11,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:11,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:11,828 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:11,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:11,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:11,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:11,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:11,830 INFO L229 MonitoredProcess]: Starting monitored process 583 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:11,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (583)] Waiting until timeout for monitored process [2024-12-06 04:49:12,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:12,609 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:12,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:12,620 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:12,620 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:12,729 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:12,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (583)] Ended with exit code 0 [2024-12-06 04:49:12,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:12,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:12,738 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:12,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:12,739 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:12,739 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:12,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:12,740 INFO L229 MonitoredProcess]: Starting monitored process 584 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:12,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (584)] Waiting until timeout for monitored process [2024-12-06 04:49:13,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:13,491 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:13,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:13,502 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:13,502 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:13,604 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:13,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (584)] Ended with exit code 0 [2024-12-06 04:49:13,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:13,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:13,614 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:13,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:13,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:13,614 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:13,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:13,616 INFO L229 MonitoredProcess]: Starting monitored process 585 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:13,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (585)] Waiting until timeout for monitored process [2024-12-06 04:49:14,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:14,370 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:14,381 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:14,382 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:14,478 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:14,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (585)] Ended with exit code 0 [2024-12-06 04:49:14,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:14,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:14,487 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:14,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:14,487 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:14,487 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:14,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:14,489 INFO L229 MonitoredProcess]: Starting monitored process 586 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:14,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (586)] Waiting until timeout for monitored process [2024-12-06 04:49:15,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:15,268 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:15,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:15,280 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:15,281 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:15,376 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:15,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (586)] Ended with exit code 0 [2024-12-06 04:49:15,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:15,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:15,385 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:15,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:15,385 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:15,385 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:15,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:15,387 INFO L229 MonitoredProcess]: Starting monitored process 587 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:15,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (587)] Waiting until timeout for monitored process [2024-12-06 04:49:16,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:16,175 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:16,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:16,186 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:16,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:16,277 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:16,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (587)] Ended with exit code 0 [2024-12-06 04:49:16,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:16,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:16,290 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:16,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:16,290 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:16,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:16,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:16,291 INFO L229 MonitoredProcess]: Starting monitored process 588 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:16,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (588)] Waiting until timeout for monitored process [2024-12-06 04:49:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:17,044 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:17,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:17,057 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:17,058 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:17,156 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:17,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (588)] Ended with exit code 0 [2024-12-06 04:49:17,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:17,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:17,165 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:17,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:17,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:17,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:17,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:17,167 INFO L229 MonitoredProcess]: Starting monitored process 589 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:17,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (589)] Waiting until timeout for monitored process [2024-12-06 04:49:17,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:17,931 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:17,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:17,942 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:17,943 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:18,043 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:18,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (589)] Ended with exit code 0 [2024-12-06 04:49:18,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:18,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:18,053 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:18,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:18,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:18,054 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:18,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:18,055 INFO L229 MonitoredProcess]: Starting monitored process 590 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:18,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (590)] Waiting until timeout for monitored process [2024-12-06 04:49:18,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:18,811 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:18,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:18,823 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:18,823 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:18,929 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:18,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (590)] Ended with exit code 0 [2024-12-06 04:49:18,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:18,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:18,938 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:18,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:18,939 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:18,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:18,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:18,940 INFO L229 MonitoredProcess]: Starting monitored process 591 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:18,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (591)] Waiting until timeout for monitored process [2024-12-06 04:49:19,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:19,730 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:19,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:19,742 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:19,743 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:19,851 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:19,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (591)] Ended with exit code 0 [2024-12-06 04:49:19,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:19,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:19,861 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:19,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:19,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:19,861 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:19,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:19,863 INFO L229 MonitoredProcess]: Starting monitored process 592 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:19,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (592)] Waiting until timeout for monitored process [2024-12-06 04:49:20,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:20,707 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:20,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:20,718 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:20,719 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:20,809 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:20,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (592)] Ended with exit code 0 [2024-12-06 04:49:20,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:20,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:20,819 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:20,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:20,819 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:20,819 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:20,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:20,821 INFO L229 MonitoredProcess]: Starting monitored process 593 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:20,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (593)] Waiting until timeout for monitored process [2024-12-06 04:49:21,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:21,616 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:21,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:21,630 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:21,631 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:21,737 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:21,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (593)] Ended with exit code 0 [2024-12-06 04:49:21,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:21,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:21,747 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:21,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:21,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:21,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:21,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:21,749 INFO L229 MonitoredProcess]: Starting monitored process 594 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:21,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (594)] Waiting until timeout for monitored process [2024-12-06 04:49:22,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:22,519 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:22,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:22,530 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:22,531 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:22,634 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:22,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (594)] Ended with exit code 0 [2024-12-06 04:49:22,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:22,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:22,642 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:22,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:22,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:22,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:22,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:22,644 INFO L229 MonitoredProcess]: Starting monitored process 595 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:22,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (595)] Waiting until timeout for monitored process [2024-12-06 04:49:23,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:23,443 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:23,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:23,454 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:23,455 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:23,559 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:23,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (595)] Ended with exit code 0 [2024-12-06 04:49:23,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:23,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:23,569 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:23,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:23,570 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:23,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:23,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:23,571 INFO L229 MonitoredProcess]: Starting monitored process 596 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:23,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (596)] Waiting until timeout for monitored process [2024-12-06 04:49:24,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:24,357 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:24,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:24,368 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:24,369 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:24,469 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:24,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (596)] Ended with exit code 0 [2024-12-06 04:49:24,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:24,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:24,479 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:24,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:24,479 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:24,479 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:24,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:24,481 INFO L229 MonitoredProcess]: Starting monitored process 597 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:24,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (597)] Waiting until timeout for monitored process [2024-12-06 04:49:25,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:25,262 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:25,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:25,274 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:25,275 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:25,382 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:25,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (597)] Ended with exit code 0 [2024-12-06 04:49:25,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:25,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:25,391 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:25,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:25,392 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:25,392 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:25,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:25,393 INFO L229 MonitoredProcess]: Starting monitored process 598 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:25,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (598)] Waiting until timeout for monitored process [2024-12-06 04:49:26,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:26,164 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:26,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:26,177 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:26,178 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:26,280 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:26,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (598)] Ended with exit code 0 [2024-12-06 04:49:26,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:26,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:26,290 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:26,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:26,290 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:26,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:26,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:26,292 INFO L229 MonitoredProcess]: Starting monitored process 599 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:26,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (599)] Waiting until timeout for monitored process [2024-12-06 04:49:27,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:27,054 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:27,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:27,065 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:27,065 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:27,170 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:27,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (599)] Ended with exit code 0 [2024-12-06 04:49:27,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:27,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:27,182 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:27,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:27,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:27,182 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:27,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:27,183 INFO L229 MonitoredProcess]: Starting monitored process 600 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:27,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (600)] Waiting until timeout for monitored process [2024-12-06 04:49:27,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:27,923 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:27,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:27,934 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:27,935 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:28,035 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:28,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (600)] Ended with exit code 0 [2024-12-06 04:49:28,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:28,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:28,045 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:28,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:28,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:28,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:28,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:28,046 INFO L229 MonitoredProcess]: Starting monitored process 601 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:28,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (601)] Waiting until timeout for monitored process [2024-12-06 04:49:28,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:28,880 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:28,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:28,891 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:28,892 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:28,996 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:29,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (601)] Ended with exit code 0 [2024-12-06 04:49:29,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:29,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:29,005 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:29,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:29,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:29,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:29,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:29,007 INFO L229 MonitoredProcess]: Starting monitored process 602 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:29,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (602)] Waiting until timeout for monitored process [2024-12-06 04:49:29,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:29,799 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:29,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:29,811 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:29,812 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:29,915 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:29,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (602)] Ended with exit code 0 [2024-12-06 04:49:29,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:29,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:29,924 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:29,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:29,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:29,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:29,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:29,926 INFO L229 MonitoredProcess]: Starting monitored process 603 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:29,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (603)] Waiting until timeout for monitored process [2024-12-06 04:49:30,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:30,698 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:30,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:30,708 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:30,709 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:30,804 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:30,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (603)] Ended with exit code 0 [2024-12-06 04:49:30,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:30,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:30,813 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:30,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:30,813 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:30,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:30,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:30,815 INFO L229 MonitoredProcess]: Starting monitored process 604 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:30,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (604)] Waiting until timeout for monitored process [2024-12-06 04:49:31,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:31,546 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:31,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:31,558 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:31,558 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:31,664 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:31,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (604)] Ended with exit code 0 [2024-12-06 04:49:31,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:31,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:31,673 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:31,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:31,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:31,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:31,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:31,674 INFO L229 MonitoredProcess]: Starting monitored process 605 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:31,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (605)] Waiting until timeout for monitored process [2024-12-06 04:49:32,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:32,461 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:32,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:32,472 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:32,473 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:32,567 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:32,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (605)] Ended with exit code 0 [2024-12-06 04:49:32,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:32,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:32,579 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:32,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:32,579 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:32,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:32,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:32,581 INFO L229 MonitoredProcess]: Starting monitored process 606 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:32,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (606)] Waiting until timeout for monitored process [2024-12-06 04:49:33,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:33,359 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:33,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:33,371 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:33,372 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:33,477 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:33,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (606)] Ended with exit code 0 [2024-12-06 04:49:33,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:33,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:33,487 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:33,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:33,487 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:33,488 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:33,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:33,489 INFO L229 MonitoredProcess]: Starting monitored process 607 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:33,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (607)] Waiting until timeout for monitored process [2024-12-06 04:49:34,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:34,290 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:34,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:34,302 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:34,303 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:34,405 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:34,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (607)] Ended with exit code 0 [2024-12-06 04:49:34,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:34,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:34,415 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:34,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:34,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:34,415 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:34,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:34,417 INFO L229 MonitoredProcess]: Starting monitored process 608 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:34,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (608)] Waiting until timeout for monitored process [2024-12-06 04:49:35,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:35,182 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:35,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:35,194 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:35,195 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:35,296 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:35,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (608)] Ended with exit code 0 [2024-12-06 04:49:35,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:35,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:35,306 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:35,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:35,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:35,307 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:35,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:35,308 INFO L229 MonitoredProcess]: Starting monitored process 609 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:35,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (609)] Waiting until timeout for monitored process [2024-12-06 04:49:36,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:36,086 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:36,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:36,098 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:36,098 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:36,200 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:36,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (609)] Ended with exit code 0 [2024-12-06 04:49:36,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:36,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:36,209 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:36,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:36,210 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:36,210 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:36,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:36,211 INFO L229 MonitoredProcess]: Starting monitored process 610 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:36,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (610)] Waiting until timeout for monitored process [2024-12-06 04:49:36,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:36,959 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:36,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:36,971 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:36,971 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:37,077 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:37,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (610)] Ended with exit code 0 [2024-12-06 04:49:37,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:37,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:37,087 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:37,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:37,087 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:37,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:37,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:37,089 INFO L229 MonitoredProcess]: Starting monitored process 611 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:37,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (611)] Waiting until timeout for monitored process [2024-12-06 04:49:37,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:37,865 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:37,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:37,878 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:37,878 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:37,974 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:37,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (611)] Ended with exit code 0 [2024-12-06 04:49:37,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:37,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:37,983 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:37,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:37,983 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:37,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:37,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:37,985 INFO L229 MonitoredProcess]: Starting monitored process 612 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:37,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (612)] Waiting until timeout for monitored process [2024-12-06 04:49:38,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:38,784 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:38,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:38,796 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:38,796 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:38,898 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:38,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (612)] Ended with exit code 0 [2024-12-06 04:49:38,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:38,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:38,908 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:38,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:38,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:38,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:38,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:38,910 INFO L229 MonitoredProcess]: Starting monitored process 613 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:38,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (613)] Waiting until timeout for monitored process [2024-12-06 04:49:39,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:39,791 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:39,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:39,803 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:39,804 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:39,909 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:39,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (613)] Ended with exit code 0 [2024-12-06 04:49:39,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:39,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:39,919 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:39,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:39,919 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:39,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:39,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:39,921 INFO L229 MonitoredProcess]: Starting monitored process 614 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:39,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (614)] Waiting until timeout for monitored process [2024-12-06 04:49:40,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:40,709 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:40,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:40,721 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:40,721 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:40,823 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:40,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (614)] Ended with exit code 0 [2024-12-06 04:49:40,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:40,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:40,832 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:40,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:40,832 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:40,832 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:40,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:40,834 INFO L229 MonitoredProcess]: Starting monitored process 615 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:40,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (615)] Waiting until timeout for monitored process [2024-12-06 04:49:41,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:41,627 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:41,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:41,638 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:41,639 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:41,744 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:41,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (615)] Ended with exit code 0 [2024-12-06 04:49:41,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:41,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:41,753 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:41,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:41,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:41,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:41,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:41,755 INFO L229 MonitoredProcess]: Starting monitored process 616 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:41,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (616)] Waiting until timeout for monitored process [2024-12-06 04:49:42,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:42,565 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:42,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:42,577 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:42,578 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:42,680 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:42,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (616)] Ended with exit code 0 [2024-12-06 04:49:42,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:42,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:42,692 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:42,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:42,693 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:42,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:42,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:42,694 INFO L229 MonitoredProcess]: Starting monitored process 617 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:42,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (617)] Waiting until timeout for monitored process [2024-12-06 04:49:43,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:43,433 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:43,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:43,444 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:43,445 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:43,538 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:43,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (617)] Ended with exit code 0 [2024-12-06 04:49:43,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:43,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:43,547 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:43,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:43,547 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:43,547 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:43,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:43,549 INFO L229 MonitoredProcess]: Starting monitored process 618 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:43,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (618)] Waiting until timeout for monitored process [2024-12-06 04:49:44,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:44,306 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:44,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:44,318 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:44,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:44,417 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:44,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (618)] Ended with exit code 0 [2024-12-06 04:49:44,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:44,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:44,427 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:44,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:44,427 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:44,427 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:44,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:44,428 INFO L229 MonitoredProcess]: Starting monitored process 619 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:44,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (619)] Waiting until timeout for monitored process [2024-12-06 04:49:45,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:45,206 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:45,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:45,217 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:45,218 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:45,324 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:45,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (619)] Ended with exit code 0 [2024-12-06 04:49:45,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:45,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:45,334 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:45,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:45,335 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:45,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:45,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:45,336 INFO L229 MonitoredProcess]: Starting monitored process 620 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:45,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (620)] Waiting until timeout for monitored process [2024-12-06 04:49:46,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:46,089 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:46,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:46,100 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:46,101 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:46,198 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:46,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (620)] Ended with exit code 0 [2024-12-06 04:49:46,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:46,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:46,208 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:46,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:46,208 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:46,208 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:46,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:46,209 INFO L229 MonitoredProcess]: Starting monitored process 621 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:46,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (621)] Waiting until timeout for monitored process [2024-12-06 04:49:46,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:47,000 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:47,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:47,010 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:47,011 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:47,110 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:47,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (621)] Ended with exit code 0 [2024-12-06 04:49:47,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:47,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:47,119 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:47,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:47,119 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:47,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:47,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:47,121 INFO L229 MonitoredProcess]: Starting monitored process 622 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:47,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (622)] Waiting until timeout for monitored process [2024-12-06 04:49:47,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:47,867 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:47,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:47,879 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:47,879 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:47,984 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:47,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (622)] Ended with exit code 0 [2024-12-06 04:49:47,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:47,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:47,993 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:47,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:47,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:47,993 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:47,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:47,995 INFO L229 MonitoredProcess]: Starting monitored process 623 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:47,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (623)] Waiting until timeout for monitored process [2024-12-06 04:49:48,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:48,760 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:48,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:48,771 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:48,772 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:48,867 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:48,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (623)] Ended with exit code 0 [2024-12-06 04:49:48,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:48,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:48,876 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:48,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:48,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:48,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:48,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:48,878 INFO L229 MonitoredProcess]: Starting monitored process 624 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:48,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (624)] Waiting until timeout for monitored process [2024-12-06 04:49:49,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:49,667 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:49,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:49,678 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:49,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:49,781 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:49,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (624)] Ended with exit code 0 [2024-12-06 04:49:49,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:49,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:49,790 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:49,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:49,790 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:49,790 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:49,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:49,792 INFO L229 MonitoredProcess]: Starting monitored process 625 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:49,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (625)] Waiting until timeout for monitored process [2024-12-06 04:49:50,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:50,525 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:50,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:50,537 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:50,537 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:50,635 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:50,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (625)] Ended with exit code 0 [2024-12-06 04:49:50,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:50,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:50,645 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:50,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:50,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:50,646 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:50,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:50,647 INFO L229 MonitoredProcess]: Starting monitored process 626 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:50,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (626)] Waiting until timeout for monitored process [2024-12-06 04:49:51,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:51,412 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:51,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:51,426 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:51,426 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:51,528 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:51,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (626)] Ended with exit code 0 [2024-12-06 04:49:51,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:51,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:51,538 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:51,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:51,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:51,538 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:51,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:51,540 INFO L229 MonitoredProcess]: Starting monitored process 627 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:51,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (627)] Waiting until timeout for monitored process [2024-12-06 04:49:52,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:52,287 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:52,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:52,300 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:52,300 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:52,404 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:52,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (627)] Ended with exit code 0 [2024-12-06 04:49:52,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:52,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:52,413 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:52,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:52,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:52,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:52,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:52,414 INFO L229 MonitoredProcess]: Starting monitored process 628 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:52,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (628)] Waiting until timeout for monitored process [2024-12-06 04:49:53,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:53,271 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:53,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:53,284 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:53,285 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:53,390 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:53,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (628)] Ended with exit code 0 [2024-12-06 04:49:53,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:53,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:53,399 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:53,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:53,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:53,399 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:53,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:53,401 INFO L229 MonitoredProcess]: Starting monitored process 629 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:53,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (629)] Waiting until timeout for monitored process [2024-12-06 04:49:54,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:54,175 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:54,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:54,186 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:54,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:54,291 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:54,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (629)] Forceful destruction successful, exit code 0 [2024-12-06 04:49:54,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:54,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:54,301 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:54,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:54,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:54,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:54,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:54,303 INFO L229 MonitoredProcess]: Starting monitored process 630 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:54,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (630)] Waiting until timeout for monitored process [2024-12-06 04:49:55,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:55,079 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:55,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:55,090 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:55,091 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:55,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:55,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (630)] Forceful destruction successful, exit code 0 [2024-12-06 04:49:55,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:55,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:55,208 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:55,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:55,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:55,209 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:55,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:55,210 INFO L229 MonitoredProcess]: Starting monitored process 631 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:55,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (631)] Waiting until timeout for monitored process [2024-12-06 04:49:55,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:55,941 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:55,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:55,953 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:55,953 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:56,053 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:56,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (631)] Ended with exit code 0 [2024-12-06 04:49:56,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:56,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:56,066 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:56,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:56,066 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:56,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:56,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:56,068 INFO L229 MonitoredProcess]: Starting monitored process 632 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:56,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (632)] Waiting until timeout for monitored process [2024-12-06 04:49:56,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:56,821 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:56,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:56,832 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:56,833 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:56,936 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:56,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (632)] Ended with exit code 0 [2024-12-06 04:49:56,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:56,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:56,946 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:56,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:56,946 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:56,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:56,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:56,947 INFO L229 MonitoredProcess]: Starting monitored process 633 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:56,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (633)] Waiting until timeout for monitored process [2024-12-06 04:49:57,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:57,738 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:57,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:57,749 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:57,750 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:57,853 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:57,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (633)] Ended with exit code 0 [2024-12-06 04:49:57,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:57,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:57,863 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:57,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:57,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:57,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:57,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:57,864 INFO L229 MonitoredProcess]: Starting monitored process 634 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:57,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (634)] Waiting until timeout for monitored process [2024-12-06 04:49:58,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:58,626 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:58,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:58,637 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:58,637 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:58,738 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:58,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (634)] Ended with exit code 0 [2024-12-06 04:49:58,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:58,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:58,747 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:58,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:58,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:58,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:58,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:58,748 INFO L229 MonitoredProcess]: Starting monitored process 635 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:58,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (635)] Waiting until timeout for monitored process [2024-12-06 04:49:59,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:59,539 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:49:59,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:59,550 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:49:59,551 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:49:59,652 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:49:59,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (635)] Ended with exit code 0 [2024-12-06 04:49:59,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:59,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:49:59,662 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:49:59,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:49:59,663 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:59,663 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:59,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:49:59,664 INFO L229 MonitoredProcess]: Starting monitored process 636 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:49:59,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (636)] Waiting until timeout for monitored process [2024-12-06 04:50:00,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:00,472 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:00,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:00,483 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:00,484 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:00,587 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:00,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (636)] Ended with exit code 0 [2024-12-06 04:50:00,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:00,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:00,596 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:00,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:00,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:00,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:00,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:00,598 INFO L229 MonitoredProcess]: Starting monitored process 637 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:00,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (637)] Waiting until timeout for monitored process [2024-12-06 04:50:01,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:01,395 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:01,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:01,406 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:01,407 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:01,506 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:01,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (637)] Ended with exit code 0 [2024-12-06 04:50:01,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:01,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:01,516 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:01,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:01,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:01,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:01,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:01,518 INFO L229 MonitoredProcess]: Starting monitored process 638 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:01,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (638)] Waiting until timeout for monitored process [2024-12-06 04:50:02,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:02,265 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:02,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:02,277 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:02,277 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:02,381 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:02,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (638)] Ended with exit code 0 [2024-12-06 04:50:02,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:02,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:02,391 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:02,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:02,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:02,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:02,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:02,392 INFO L229 MonitoredProcess]: Starting monitored process 639 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:02,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (639)] Waiting until timeout for monitored process [2024-12-06 04:50:03,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:03,133 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:03,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:03,145 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:03,146 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:03,245 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:03,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (639)] Ended with exit code 0 [2024-12-06 04:50:03,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:03,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:03,254 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:03,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:03,254 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:03,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:03,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:03,256 INFO L229 MonitoredProcess]: Starting monitored process 640 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:03,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (640)] Waiting until timeout for monitored process [2024-12-06 04:50:04,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:04,010 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:04,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:04,022 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:04,023 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:04,125 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:04,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (640)] Ended with exit code 0 [2024-12-06 04:50:04,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:04,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:04,135 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:04,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:04,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:04,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:04,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:04,137 INFO L229 MonitoredProcess]: Starting monitored process 641 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:04,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (641)] Waiting until timeout for monitored process [2024-12-06 04:50:04,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:04,950 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:04,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:04,962 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:04,962 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:05,066 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:05,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (641)] Ended with exit code 0 [2024-12-06 04:50:05,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:05,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:05,075 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:05,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:05,075 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:05,076 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:05,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:05,077 INFO L229 MonitoredProcess]: Starting monitored process 642 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:05,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (642)] Waiting until timeout for monitored process [2024-12-06 04:50:05,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:05,909 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:05,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:05,920 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:05,921 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:06,027 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:06,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (642)] Ended with exit code 0 [2024-12-06 04:50:06,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:06,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:06,036 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:06,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:06,036 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:06,036 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:06,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:06,038 INFO L229 MonitoredProcess]: Starting monitored process 643 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:06,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (643)] Waiting until timeout for monitored process [2024-12-06 04:50:06,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:06,849 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:06,861 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:06,862 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:06,965 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:06,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (643)] Ended with exit code 0 [2024-12-06 04:50:06,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:06,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:06,974 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:06,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:06,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:06,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:06,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:06,976 INFO L229 MonitoredProcess]: Starting monitored process 644 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:06,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (644)] Waiting until timeout for monitored process [2024-12-06 04:50:07,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:07,756 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:07,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:07,768 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:07,768 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:07,874 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:07,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (644)] Forceful destruction successful, exit code 0 [2024-12-06 04:50:07,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:07,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:07,884 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:07,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:07,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:07,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:07,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:07,886 INFO L229 MonitoredProcess]: Starting monitored process 645 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:07,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (645)] Waiting until timeout for monitored process [2024-12-06 04:50:08,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:08,664 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:08,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:08,675 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:08,676 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:08,778 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:08,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (645)] Ended with exit code 0 [2024-12-06 04:50:08,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:08,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:08,788 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:08,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:08,788 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:08,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:08,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:08,790 INFO L229 MonitoredProcess]: Starting monitored process 646 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:08,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (646)] Waiting until timeout for monitored process [2024-12-06 04:50:09,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:09,593 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:09,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:09,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:09,605 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:09,709 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:09,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (646)] Ended with exit code 0 [2024-12-06 04:50:09,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:09,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:09,719 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:09,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:09,720 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:09,720 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:09,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:09,721 INFO L229 MonitoredProcess]: Starting monitored process 647 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:09,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (647)] Waiting until timeout for monitored process [2024-12-06 04:50:10,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:10,441 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:10,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:10,452 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:10,453 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:10,546 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:10,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (647)] Ended with exit code 0 [2024-12-06 04:50:10,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:10,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:10,555 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:10,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:10,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:10,556 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:10,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:10,557 INFO L229 MonitoredProcess]: Starting monitored process 648 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:10,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (648)] Waiting until timeout for monitored process [2024-12-06 04:50:11,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:11,338 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:11,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:11,351 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:11,352 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:11,448 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:11,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (648)] Ended with exit code 0 [2024-12-06 04:50:11,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:11,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:11,458 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:11,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:11,458 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:11,458 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:11,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:11,460 INFO L229 MonitoredProcess]: Starting monitored process 649 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:11,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (649)] Waiting until timeout for monitored process [2024-12-06 04:50:12,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:12,206 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:12,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:12,218 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:12,218 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:12,310 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:12,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (649)] Ended with exit code 0 [2024-12-06 04:50:12,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:12,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:12,319 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:12,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:12,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:12,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:12,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:12,321 INFO L229 MonitoredProcess]: Starting monitored process 650 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:12,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (650)] Waiting until timeout for monitored process [2024-12-06 04:50:13,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:13,120 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:13,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:13,132 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:13,133 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:13,238 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:13,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (650)] Ended with exit code 0 [2024-12-06 04:50:13,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:13,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:13,248 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:13,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:13,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:13,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:13,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:13,249 INFO L229 MonitoredProcess]: Starting monitored process 651 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:13,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (651)] Waiting until timeout for monitored process [2024-12-06 04:50:13,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:13,965 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:13,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:13,977 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:13,978 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:14,083 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:14,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (651)] Ended with exit code 0 [2024-12-06 04:50:14,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:14,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:14,093 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:14,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:14,093 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:14,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:14,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:14,095 INFO L229 MonitoredProcess]: Starting monitored process 652 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:14,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (652)] Waiting until timeout for monitored process [2024-12-06 04:50:14,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:14,880 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:14,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:14,892 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:14,893 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:14,986 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:14,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (652)] Ended with exit code 0 [2024-12-06 04:50:14,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:14,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:14,996 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:14,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:14,996 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:14,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:14,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:14,997 INFO L229 MonitoredProcess]: Starting monitored process 653 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:14,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (653)] Waiting until timeout for monitored process [2024-12-06 04:50:15,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:15,764 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:15,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:15,775 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:15,776 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:15,876 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:15,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (653)] Ended with exit code 0 [2024-12-06 04:50:15,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:15,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:15,886 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:15,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:15,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:15,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:15,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:15,888 INFO L229 MonitoredProcess]: Starting monitored process 654 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:15,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (654)] Waiting until timeout for monitored process [2024-12-06 04:50:16,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:16,654 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:16,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:16,665 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:16,665 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:16,757 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:16,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (654)] Ended with exit code 0 [2024-12-06 04:50:16,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:16,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:16,767 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:16,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:16,767 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:16,767 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:16,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:16,769 INFO L229 MonitoredProcess]: Starting monitored process 655 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:16,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (655)] Waiting until timeout for monitored process [2024-12-06 04:50:17,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:17,572 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:17,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:17,583 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:17,584 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:17,669 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:17,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (655)] Ended with exit code 0 [2024-12-06 04:50:17,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:17,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:17,678 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:17,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:17,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:17,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:17,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:17,680 INFO L229 MonitoredProcess]: Starting monitored process 656 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:17,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (656)] Waiting until timeout for monitored process [2024-12-06 04:50:18,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:18,483 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:18,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:18,494 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:18,495 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:18,585 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:18,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (656)] Ended with exit code 0 [2024-12-06 04:50:18,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:18,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:18,595 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:18,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:18,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:18,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:18,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:18,596 INFO L229 MonitoredProcess]: Starting monitored process 657 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:18,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (657)] Waiting until timeout for monitored process [2024-12-06 04:50:19,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:19,373 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:19,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:19,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:19,386 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:19,488 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:19,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (657)] Ended with exit code 0 [2024-12-06 04:50:19,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:19,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:19,498 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:19,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:19,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:19,499 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:19,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:19,500 INFO L229 MonitoredProcess]: Starting monitored process 658 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:19,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (658)] Waiting until timeout for monitored process [2024-12-06 04:50:20,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:20,256 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:20,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:20,267 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:20,268 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:20,372 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:20,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (658)] Ended with exit code 0 [2024-12-06 04:50:20,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:20,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:20,381 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:20,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:20,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:20,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:20,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:20,383 INFO L229 MonitoredProcess]: Starting monitored process 659 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:20,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (659)] Waiting until timeout for monitored process [2024-12-06 04:50:21,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:21,114 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:21,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:21,125 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:21,126 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:21,224 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:21,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (659)] Ended with exit code 0 [2024-12-06 04:50:21,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:21,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:21,233 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:21,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:21,233 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:21,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:21,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:21,235 INFO L229 MonitoredProcess]: Starting monitored process 660 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:21,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (660)] Waiting until timeout for monitored process [2024-12-06 04:50:22,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:22,033 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:22,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:22,045 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:22,045 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:22,144 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:22,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (660)] Ended with exit code 0 [2024-12-06 04:50:22,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:22,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:22,153 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:22,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:22,153 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:22,153 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:22,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:22,155 INFO L229 MonitoredProcess]: Starting monitored process 661 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:22,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (661)] Waiting until timeout for monitored process [2024-12-06 04:50:22,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:22,888 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:22,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:22,901 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:22,901 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:23,010 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:23,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (661)] Ended with exit code 0 [2024-12-06 04:50:23,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:23,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:23,020 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:23,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:23,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:23,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:23,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:23,022 INFO L229 MonitoredProcess]: Starting monitored process 662 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:23,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (662)] Waiting until timeout for monitored process [2024-12-06 04:50:23,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:23,784 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:23,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:23,795 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:23,796 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:23,900 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:23,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (662)] Ended with exit code 0 [2024-12-06 04:50:23,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:23,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:23,910 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:23,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:23,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:23,910 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:23,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:23,912 INFO L229 MonitoredProcess]: Starting monitored process 663 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:23,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (663)] Waiting until timeout for monitored process [2024-12-06 04:50:24,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:24,742 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:24,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:24,754 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:24,755 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:24,854 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:24,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (663)] Ended with exit code 0 [2024-12-06 04:50:24,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:24,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:24,863 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:24,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:24,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:24,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:24,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:24,865 INFO L229 MonitoredProcess]: Starting monitored process 664 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:24,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (664)] Waiting until timeout for monitored process [2024-12-06 04:50:25,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:25,623 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:25,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:25,635 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:25,636 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:25,737 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:25,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (664)] Ended with exit code 0 [2024-12-06 04:50:25,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:25,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:25,747 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:25,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:25,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:25,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:25,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:25,748 INFO L229 MonitoredProcess]: Starting monitored process 665 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:25,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (665)] Waiting until timeout for monitored process [2024-12-06 04:50:26,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:26,539 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:26,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:26,553 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:26,554 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:26,655 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:26,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (665)] Ended with exit code 0 [2024-12-06 04:50:26,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:26,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:26,665 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:26,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:26,665 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:26,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:26,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:26,666 INFO L229 MonitoredProcess]: Starting monitored process 666 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:26,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (666)] Waiting until timeout for monitored process [2024-12-06 04:50:27,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:27,474 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:27,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:27,485 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:27,485 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:27,591 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:27,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (666)] Ended with exit code 0 [2024-12-06 04:50:27,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:27,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:27,602 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:27,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:27,602 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:27,602 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:27,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:27,604 INFO L229 MonitoredProcess]: Starting monitored process 667 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:27,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (667)] Waiting until timeout for monitored process [2024-12-06 04:50:28,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:28,393 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:28,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:28,405 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:28,406 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:28,505 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:28,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (667)] Ended with exit code 0 [2024-12-06 04:50:28,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:28,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:28,514 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:28,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:28,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:28,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:28,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:28,516 INFO L229 MonitoredProcess]: Starting monitored process 668 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:28,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (668)] Waiting until timeout for monitored process [2024-12-06 04:50:29,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:29,265 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:29,277 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:29,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:29,382 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:29,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (668)] Ended with exit code 0 [2024-12-06 04:50:29,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:29,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:29,391 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:29,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:29,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:29,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:29,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:29,393 INFO L229 MonitoredProcess]: Starting monitored process 669 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:29,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (669)] Waiting until timeout for monitored process [2024-12-06 04:50:30,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:30,180 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:30,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:30,191 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:30,191 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:30,290 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:30,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (669)] Ended with exit code 0 [2024-12-06 04:50:30,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:30,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:30,300 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:30,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:30,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:30,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:30,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:30,302 INFO L229 MonitoredProcess]: Starting monitored process 670 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:30,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (670)] Waiting until timeout for monitored process [2024-12-06 04:50:31,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:31,125 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:31,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:31,137 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:31,138 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:31,245 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:31,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (670)] Ended with exit code 0 [2024-12-06 04:50:31,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:31,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:31,255 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:31,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:31,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:31,255 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:31,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:31,256 INFO L229 MonitoredProcess]: Starting monitored process 671 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:31,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (671)] Waiting until timeout for monitored process [2024-12-06 04:50:32,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:32,027 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:32,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:32,039 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:32,040 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:32,142 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:32,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (671)] Ended with exit code 0 [2024-12-06 04:50:32,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:32,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:32,151 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:32,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:32,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:32,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:32,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:32,153 INFO L229 MonitoredProcess]: Starting monitored process 672 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:32,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (672)] Waiting until timeout for monitored process [2024-12-06 04:50:32,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:32,961 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:32,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:32,974 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:32,974 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:33,078 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:33,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (672)] Ended with exit code 0 [2024-12-06 04:50:33,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:33,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:33,087 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:33,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:33,087 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:33,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:33,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:33,089 INFO L229 MonitoredProcess]: Starting monitored process 673 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:33,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (673)] Waiting until timeout for monitored process [2024-12-06 04:50:33,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:33,889 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:33,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:33,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:33,901 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:34,011 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:34,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (673)] Ended with exit code 0 [2024-12-06 04:50:34,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:34,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:34,021 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:34,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:34,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:34,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:34,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:34,023 INFO L229 MonitoredProcess]: Starting monitored process 674 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:34,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (674)] Waiting until timeout for monitored process [2024-12-06 04:50:34,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:34,812 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:34,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:34,825 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:34,826 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:34,929 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:34,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (674)] Ended with exit code 0 [2024-12-06 04:50:34,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:34,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:34,938 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:34,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:34,939 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:34,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:34,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:34,940 INFO L229 MonitoredProcess]: Starting monitored process 675 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:34,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (675)] Waiting until timeout for monitored process [2024-12-06 04:50:35,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:35,758 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:35,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:35,769 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:35,769 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:35,870 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:35,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (675)] Ended with exit code 0 [2024-12-06 04:50:35,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:35,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:35,880 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:35,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:35,880 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:35,880 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:35,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:35,881 INFO L229 MonitoredProcess]: Starting monitored process 676 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:35,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (676)] Waiting until timeout for monitored process [2024-12-06 04:50:36,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:36,708 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:36,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:36,719 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:36,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:36,820 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:36,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (676)] Ended with exit code 0 [2024-12-06 04:50:36,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:36,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:36,829 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:36,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:36,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:36,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:36,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:36,831 INFO L229 MonitoredProcess]: Starting monitored process 677 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:36,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (677)] Waiting until timeout for monitored process [2024-12-06 04:50:37,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:37,624 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:37,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:37,636 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:37,637 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:37,726 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:37,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (677)] Ended with exit code 0 [2024-12-06 04:50:37,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:37,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:37,736 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:37,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:37,736 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:37,736 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:37,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:37,737 INFO L229 MonitoredProcess]: Starting monitored process 678 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:37,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (678)] Waiting until timeout for monitored process [2024-12-06 04:50:38,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:38,513 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:38,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:38,524 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:38,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:38,629 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:38,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (678)] Ended with exit code 0 [2024-12-06 04:50:38,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:38,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:38,638 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:38,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:38,638 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:38,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:38,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:38,640 INFO L229 MonitoredProcess]: Starting monitored process 679 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:38,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (679)] Waiting until timeout for monitored process [2024-12-06 04:50:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:39,474 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:39,486 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:39,487 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:39,582 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:39,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (679)] Ended with exit code 0 [2024-12-06 04:50:39,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:39,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:39,595 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:39,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:39,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:39,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:39,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:39,596 INFO L229 MonitoredProcess]: Starting monitored process 680 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:39,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (680)] Waiting until timeout for monitored process [2024-12-06 04:50:40,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:40,387 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:40,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:40,399 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:40,400 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:40,508 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:40,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (680)] Ended with exit code 0 [2024-12-06 04:50:40,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:40,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:40,518 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:40,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:40,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:40,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:40,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:40,520 INFO L229 MonitoredProcess]: Starting monitored process 681 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:40,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (681)] Waiting until timeout for monitored process [2024-12-06 04:50:41,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:41,309 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:41,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:41,321 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:41,321 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:41,419 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:41,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (681)] Ended with exit code 0 [2024-12-06 04:50:41,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:41,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:41,429 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:41,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:41,429 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:41,429 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:41,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:41,431 INFO L229 MonitoredProcess]: Starting monitored process 682 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:41,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (682)] Waiting until timeout for monitored process [2024-12-06 04:50:42,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:42,211 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:42,222 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:42,222 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:42,327 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:42,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (682)] Ended with exit code 0 [2024-12-06 04:50:42,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:42,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:42,337 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:42,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:42,338 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:42,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:42,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:42,339 INFO L229 MonitoredProcess]: Starting monitored process 683 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:42,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (683)] Waiting until timeout for monitored process [2024-12-06 04:50:43,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:43,165 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:43,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:43,177 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:43,177 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:43,279 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:43,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (683)] Ended with exit code 0 [2024-12-06 04:50:43,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:43,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:43,288 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:43,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:43,289 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:43,289 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:43,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:43,290 INFO L229 MonitoredProcess]: Starting monitored process 684 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:43,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (684)] Waiting until timeout for monitored process [2024-12-06 04:50:44,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:44,073 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:44,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:44,084 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:44,084 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:44,182 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:44,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (684)] Forceful destruction successful, exit code 0 [2024-12-06 04:50:44,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:44,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:44,191 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:44,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:44,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:44,191 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:44,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:44,192 INFO L229 MonitoredProcess]: Starting monitored process 685 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:44,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (685)] Waiting until timeout for monitored process [2024-12-06 04:50:44,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:44,991 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:45,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:45,003 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:45,004 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:45,101 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:45,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (685)] Ended with exit code 0 [2024-12-06 04:50:45,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:45,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:45,110 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:45,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:45,110 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:45,111 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:45,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:45,112 INFO L229 MonitoredProcess]: Starting monitored process 686 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:45,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (686)] Waiting until timeout for monitored process [2024-12-06 04:50:45,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:45,890 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:45,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:45,904 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:45,905 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:46,005 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:46,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (686)] Ended with exit code 0 [2024-12-06 04:50:46,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:46,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:46,014 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:46,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:46,014 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:46,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:46,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:46,016 INFO L229 MonitoredProcess]: Starting monitored process 687 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:46,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (687)] Waiting until timeout for monitored process [2024-12-06 04:50:46,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:46,840 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:46,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:46,851 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:46,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:46,957 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:46,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (687)] Ended with exit code 0 [2024-12-06 04:50:46,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:46,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:46,966 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:46,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:46,966 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:46,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:46,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:46,968 INFO L229 MonitoredProcess]: Starting monitored process 688 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:46,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (688)] Waiting until timeout for monitored process [2024-12-06 04:50:47,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:47,806 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:47,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:47,817 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:47,818 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:47,923 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:47,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (688)] Ended with exit code 0 [2024-12-06 04:50:47,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:47,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:47,933 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:47,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:47,933 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:47,933 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:47,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:47,935 INFO L229 MonitoredProcess]: Starting monitored process 689 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:47,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (689)] Waiting until timeout for monitored process [2024-12-06 04:50:48,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:48,728 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:48,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:48,740 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:48,741 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:48,843 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:48,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (689)] Ended with exit code 0 [2024-12-06 04:50:48,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:48,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:48,852 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:48,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:48,852 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:48,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:48,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:48,854 INFO L229 MonitoredProcess]: Starting monitored process 690 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:48,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (690)] Waiting until timeout for monitored process [2024-12-06 04:50:49,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:49,635 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:49,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:49,646 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:49,646 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:49,737 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:49,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (690)] Ended with exit code 0 [2024-12-06 04:50:49,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:49,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:49,747 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:49,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:49,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:49,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:49,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:49,749 INFO L229 MonitoredProcess]: Starting monitored process 691 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:49,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (691)] Waiting until timeout for monitored process [2024-12-06 04:50:50,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:50,513 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:50,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:50,526 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:50,526 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:50,622 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:50,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (691)] Ended with exit code 0 [2024-12-06 04:50:50,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:50,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:50,631 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:50,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:50,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:50,632 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:50,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:50,633 INFO L229 MonitoredProcess]: Starting monitored process 692 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:50,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (692)] Waiting until timeout for monitored process [2024-12-06 04:50:51,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:51,470 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:51,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:51,481 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:51,482 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:51,583 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:51,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (692)] Ended with exit code 0 [2024-12-06 04:50:51,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:51,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:51,593 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:51,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:51,594 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:51,594 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:51,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:51,595 INFO L229 MonitoredProcess]: Starting monitored process 693 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:51,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (693)] Waiting until timeout for monitored process [2024-12-06 04:50:52,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:52,409 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:52,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:52,421 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:52,422 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:52,523 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:52,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (693)] Ended with exit code 0 [2024-12-06 04:50:52,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:52,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:52,535 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:52,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:52,535 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:52,535 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:52,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:52,536 INFO L229 MonitoredProcess]: Starting monitored process 694 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:52,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (694)] Waiting until timeout for monitored process [2024-12-06 04:50:53,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:53,362 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:53,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:53,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:53,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:53,461 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:53,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (694)] Ended with exit code 0 [2024-12-06 04:50:53,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:53,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:53,471 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:53,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:53,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:53,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:53,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:53,473 INFO L229 MonitoredProcess]: Starting monitored process 695 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:53,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (695)] Waiting until timeout for monitored process [2024-12-06 04:50:54,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:54,238 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:54,250 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:54,251 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:54,357 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:54,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (695)] Ended with exit code 0 [2024-12-06 04:50:54,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:54,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:54,367 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:54,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:54,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:54,367 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:54,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:54,368 INFO L229 MonitoredProcess]: Starting monitored process 696 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:54,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (696)] Waiting until timeout for monitored process [2024-12-06 04:50:55,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:55,206 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:55,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:55,218 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:55,219 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:55,323 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:55,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (696)] Ended with exit code 0 [2024-12-06 04:50:55,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:55,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:55,333 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:55,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:55,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:55,333 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:55,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:55,336 INFO L229 MonitoredProcess]: Starting monitored process 697 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:55,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (697)] Waiting until timeout for monitored process [2024-12-06 04:50:56,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:56,100 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:56,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:56,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:56,111 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:56,214 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:56,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (697)] Ended with exit code 0 [2024-12-06 04:50:56,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:56,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:56,224 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:56,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:56,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:56,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:56,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:56,226 INFO L229 MonitoredProcess]: Starting monitored process 698 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:56,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (698)] Waiting until timeout for monitored process [2024-12-06 04:50:57,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:57,024 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:57,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:57,036 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:57,037 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:57,144 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:57,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (698)] Ended with exit code 0 [2024-12-06 04:50:57,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:57,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:57,154 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:57,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:57,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:57,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:57,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:57,156 INFO L229 MonitoredProcess]: Starting monitored process 699 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:57,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (699)] Waiting until timeout for monitored process [2024-12-06 04:50:57,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:57,922 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:57,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:57,935 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:57,935 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:58,042 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:58,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (699)] Ended with exit code 0 [2024-12-06 04:50:58,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:58,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:58,052 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:58,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:58,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:58,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:58,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:58,054 INFO L229 MonitoredProcess]: Starting monitored process 700 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:58,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (700)] Waiting until timeout for monitored process [2024-12-06 04:50:58,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:58,859 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:58,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:58,870 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:58,870 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:58,967 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:58,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (700)] Ended with exit code 0 [2024-12-06 04:50:58,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:58,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:58,976 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:58,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:58,976 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:58,976 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:58,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:58,978 INFO L229 MonitoredProcess]: Starting monitored process 701 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:58,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (701)] Waiting until timeout for monitored process [2024-12-06 04:50:59,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:59,787 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:59,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:59,800 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:50:59,800 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:59,903 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:50:59,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (701)] Forceful destruction successful, exit code 0 [2024-12-06 04:50:59,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:59,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:50:59,912 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:50:59,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:50:59,912 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:59,912 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:59,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:59,914 INFO L229 MonitoredProcess]: Starting monitored process 702 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:59,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (702)] Waiting until timeout for monitored process [2024-12-06 04:51:00,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:00,701 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:00,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:00,713 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:00,714 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:00,815 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:00,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (702)] Ended with exit code 0 [2024-12-06 04:51:00,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:00,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:00,825 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:00,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:00,825 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:00,825 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:00,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:00,826 INFO L229 MonitoredProcess]: Starting monitored process 703 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:00,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (703)] Waiting until timeout for monitored process [2024-12-06 04:51:01,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:01,638 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:01,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:01,649 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:01,649 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:01,752 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:01,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (703)] Ended with exit code 0 [2024-12-06 04:51:01,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:01,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:01,762 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:01,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:01,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:01,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:01,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:01,764 INFO L229 MonitoredProcess]: Starting monitored process 704 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:01,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (704)] Waiting until timeout for monitored process [2024-12-06 04:51:02,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:02,531 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:02,542 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:02,543 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:02,647 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:02,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (704)] Ended with exit code 0 [2024-12-06 04:51:02,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:02,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:02,656 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:02,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:02,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:02,657 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:02,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:02,658 INFO L229 MonitoredProcess]: Starting monitored process 705 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:02,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (705)] Waiting until timeout for monitored process [2024-12-06 04:51:03,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:03,487 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:03,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:03,497 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:03,498 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:03,598 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:03,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (705)] Ended with exit code 0 [2024-12-06 04:51:03,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:03,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:03,608 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:03,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:03,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:03,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:03,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:03,610 INFO L229 MonitoredProcess]: Starting monitored process 706 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:03,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (706)] Waiting until timeout for monitored process [2024-12-06 04:51:04,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:04,373 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:04,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:04,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:04,386 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:04,489 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:04,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (706)] Ended with exit code 0 [2024-12-06 04:51:04,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:04,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:04,500 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:04,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:04,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:04,500 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:04,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:04,502 INFO L229 MonitoredProcess]: Starting monitored process 707 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:04,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (707)] Waiting until timeout for monitored process [2024-12-06 04:51:05,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:05,332 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:05,343 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:05,344 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:05,439 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:05,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (707)] Forceful destruction successful, exit code 0 [2024-12-06 04:51:05,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:05,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:05,449 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:05,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:05,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:05,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:05,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:05,451 INFO L229 MonitoredProcess]: Starting monitored process 708 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:05,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (708)] Waiting until timeout for monitored process [2024-12-06 04:51:06,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:06,260 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:06,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:06,271 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:06,272 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:06,373 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:06,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (708)] Ended with exit code 0 [2024-12-06 04:51:06,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:06,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:06,382 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:06,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:06,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:06,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:06,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:06,383 INFO L229 MonitoredProcess]: Starting monitored process 709 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:06,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (709)] Waiting until timeout for monitored process [2024-12-06 04:51:07,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:07,168 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:07,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:07,179 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:07,180 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:07,285 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:07,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (709)] Ended with exit code 0 [2024-12-06 04:51:07,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:07,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:07,297 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:07,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:07,297 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:07,297 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:07,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:07,298 INFO L229 MonitoredProcess]: Starting monitored process 710 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:07,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (710)] Waiting until timeout for monitored process [2024-12-06 04:51:08,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:08,125 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:08,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:08,138 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:08,138 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:08,240 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:08,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (710)] Ended with exit code 0 [2024-12-06 04:51:08,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:08,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:08,250 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:08,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:08,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:08,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:08,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:08,252 INFO L229 MonitoredProcess]: Starting monitored process 711 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:08,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (711)] Waiting until timeout for monitored process [2024-12-06 04:51:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:09,016 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:09,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:09,029 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:09,029 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:09,124 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:09,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (711)] Ended with exit code 0 [2024-12-06 04:51:09,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:09,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:09,135 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:09,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:09,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:09,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:09,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:09,137 INFO L229 MonitoredProcess]: Starting monitored process 712 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:09,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (712)] Waiting until timeout for monitored process [2024-12-06 04:51:09,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:09,919 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:09,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:09,934 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:09,934 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:10,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:10,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (712)] Forceful destruction successful, exit code 0 [2024-12-06 04:51:10,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:10,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:10,040 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:10,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:10,040 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:10,040 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:10,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:10,042 INFO L229 MonitoredProcess]: Starting monitored process 713 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:10,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (713)] Waiting until timeout for monitored process [2024-12-06 04:51:10,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:10,812 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:10,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:10,824 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:10,825 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:10,930 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:10,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (713)] Ended with exit code 0 [2024-12-06 04:51:10,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:10,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:10,940 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:10,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:10,941 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:10,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:10,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:10,942 INFO L229 MonitoredProcess]: Starting monitored process 714 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:10,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (714)] Waiting until timeout for monitored process [2024-12-06 04:51:11,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:11,757 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:11,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:11,769 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:11,770 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:11,864 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:11,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (714)] Ended with exit code 0 [2024-12-06 04:51:11,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:11,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:11,873 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:11,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:11,874 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:11,874 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:11,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:11,875 INFO L229 MonitoredProcess]: Starting monitored process 715 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:11,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (715)] Waiting until timeout for monitored process [2024-12-06 04:51:12,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:12,684 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:12,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:12,695 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:12,696 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:12,797 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:12,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (715)] Ended with exit code 0 [2024-12-06 04:51:12,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:12,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:12,806 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:12,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:12,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:12,806 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:12,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:12,808 INFO L229 MonitoredProcess]: Starting monitored process 716 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:12,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (716)] Waiting until timeout for monitored process [2024-12-06 04:51:13,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:13,619 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:13,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:13,631 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:13,632 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:13,736 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:13,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (716)] Ended with exit code 0 [2024-12-06 04:51:13,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:13,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:13,746 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:13,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:13,746 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:13,746 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:13,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:13,747 INFO L229 MonitoredProcess]: Starting monitored process 717 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:13,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (717)] Waiting until timeout for monitored process [2024-12-06 04:51:14,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:14,552 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:14,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:14,564 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:14,565 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:14,672 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:14,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (717)] Ended with exit code 0 [2024-12-06 04:51:14,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:14,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:14,681 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:14,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:14,682 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:14,682 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:14,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:14,683 INFO L229 MonitoredProcess]: Starting monitored process 718 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:14,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (718)] Waiting until timeout for monitored process [2024-12-06 04:51:15,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:15,462 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:15,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:15,473 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:15,473 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:15,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:15,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (718)] Ended with exit code 0 [2024-12-06 04:51:15,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:15,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:15,578 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:15,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:15,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:15,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:15,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:15,580 INFO L229 MonitoredProcess]: Starting monitored process 719 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:15,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (719)] Waiting until timeout for monitored process [2024-12-06 04:51:16,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:16,403 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:16,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:16,414 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:16,414 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:16,510 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:16,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (719)] Ended with exit code 0 [2024-12-06 04:51:16,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:16,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:16,519 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:16,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:16,519 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:16,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:16,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:16,521 INFO L229 MonitoredProcess]: Starting monitored process 720 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:16,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (720)] Waiting until timeout for monitored process [2024-12-06 04:51:17,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:17,352 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:17,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:17,364 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:17,364 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:17,463 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:17,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (720)] Ended with exit code 0 [2024-12-06 04:51:17,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:17,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:17,472 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:17,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:17,472 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:17,472 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:17,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:17,474 INFO L229 MonitoredProcess]: Starting monitored process 721 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:17,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (721)] Waiting until timeout for monitored process [2024-12-06 04:51:18,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:18,338 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:18,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:18,348 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:18,349 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:18,446 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:18,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (721)] Ended with exit code 0 [2024-12-06 04:51:18,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:18,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:18,456 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:18,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:18,457 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:18,457 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:18,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:18,458 INFO L229 MonitoredProcess]: Starting monitored process 722 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:18,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (722)] Waiting until timeout for monitored process [2024-12-06 04:51:19,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:19,195 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:19,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:19,206 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:19,207 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:19,306 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:19,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (722)] Ended with exit code 0 [2024-12-06 04:51:19,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:19,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:19,316 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:19,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:19,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:19,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:19,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:19,318 INFO L229 MonitoredProcess]: Starting monitored process 723 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:19,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (723)] Waiting until timeout for monitored process [2024-12-06 04:51:20,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:20,075 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:20,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:20,086 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:20,087 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:20,187 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:20,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (723)] Ended with exit code 0 [2024-12-06 04:51:20,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:20,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:20,197 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:20,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:20,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:20,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:20,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:20,199 INFO L229 MonitoredProcess]: Starting monitored process 724 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:20,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (724)] Waiting until timeout for monitored process [2024-12-06 04:51:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:21,024 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:21,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:21,037 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:21,038 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:21,141 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:21,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (724)] Ended with exit code 0 [2024-12-06 04:51:21,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:21,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:21,152 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:21,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:21,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:21,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:21,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:21,153 INFO L229 MonitoredProcess]: Starting monitored process 725 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:21,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (725)] Waiting until timeout for monitored process [2024-12-06 04:51:21,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:21,971 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:21,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:21,982 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:21,983 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:22,086 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:22,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (725)] Ended with exit code 0 [2024-12-06 04:51:22,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:22,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:22,095 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:22,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:22,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:22,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:22,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:22,097 INFO L229 MonitoredProcess]: Starting monitored process 726 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:22,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (726)] Waiting until timeout for monitored process [2024-12-06 04:51:22,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:22,916 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:22,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:22,928 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:22,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:23,035 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:23,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (726)] Ended with exit code 0 [2024-12-06 04:51:23,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:23,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:23,045 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:23,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:23,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:23,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:23,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:23,047 INFO L229 MonitoredProcess]: Starting monitored process 727 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:23,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (727)] Waiting until timeout for monitored process [2024-12-06 04:51:23,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:23,847 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:23,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:23,858 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:23,859 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:23,963 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:23,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (727)] Ended with exit code 0 [2024-12-06 04:51:23,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:23,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:23,972 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:23,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:23,972 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:23,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:23,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:23,974 INFO L229 MonitoredProcess]: Starting monitored process 728 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:23,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (728)] Waiting until timeout for monitored process [2024-12-06 04:51:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:24,808 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:24,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:24,820 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:24,820 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:24,923 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:24,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (728)] Ended with exit code 0 [2024-12-06 04:51:24,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:24,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:24,934 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:24,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:24,934 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:24,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:24,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:24,936 INFO L229 MonitoredProcess]: Starting monitored process 729 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:24,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (729)] Waiting until timeout for monitored process [2024-12-06 04:51:25,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:25,734 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:25,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:25,745 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:25,746 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:25,836 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:25,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (729)] Ended with exit code 0 [2024-12-06 04:51:25,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:25,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:25,846 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:25,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:25,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:25,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:25,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:25,848 INFO L229 MonitoredProcess]: Starting monitored process 730 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:25,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (730)] Waiting until timeout for monitored process [2024-12-06 04:51:26,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:26,654 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:26,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:26,667 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:26,667 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:26,769 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:26,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (730)] Ended with exit code 0 [2024-12-06 04:51:26,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:26,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:26,779 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:26,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:26,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:26,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:26,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:26,780 INFO L229 MonitoredProcess]: Starting monitored process 731 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:26,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (731)] Waiting until timeout for monitored process [2024-12-06 04:51:27,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:27,615 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:27,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:27,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:27,628 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:27,733 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:27,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (731)] Forceful destruction successful, exit code 0 [2024-12-06 04:51:27,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:27,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:27,742 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:27,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:27,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:27,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:27,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:27,744 INFO L229 MonitoredProcess]: Starting monitored process 732 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:27,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (732)] Waiting until timeout for monitored process [2024-12-06 04:51:28,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:28,550 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:28,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:28,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:28,561 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:28,650 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:28,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (732)] Ended with exit code 0 [2024-12-06 04:51:28,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:28,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:28,663 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:28,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:28,664 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:28,664 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:28,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:28,665 INFO L229 MonitoredProcess]: Starting monitored process 733 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:28,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (733)] Waiting until timeout for monitored process [2024-12-06 04:51:29,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:29,410 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:29,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:29,421 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:29,422 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:29,510 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:29,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (733)] Ended with exit code 0 [2024-12-06 04:51:29,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:29,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:29,520 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:29,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:29,520 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:29,520 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:29,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:29,521 INFO L229 MonitoredProcess]: Starting monitored process 734 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:29,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (734)] Waiting until timeout for monitored process [2024-12-06 04:51:30,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:30,356 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:30,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:30,367 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:30,367 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:30,457 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:30,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (734)] Ended with exit code 0 [2024-12-06 04:51:30,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:30,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:30,466 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:30,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:30,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:30,466 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:30,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:30,468 INFO L229 MonitoredProcess]: Starting monitored process 735 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:30,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (735)] Waiting until timeout for monitored process [2024-12-06 04:51:31,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:31,257 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:31,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:31,269 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:31,270 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:31,362 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:31,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (735)] Ended with exit code 0 [2024-12-06 04:51:31,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:31,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:31,373 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:31,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:31,373 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:31,373 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:31,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:31,374 INFO L229 MonitoredProcess]: Starting monitored process 736 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:31,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (736)] Waiting until timeout for monitored process [2024-12-06 04:51:32,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:32,177 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:32,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:32,189 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:32,190 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:32,288 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:32,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (736)] Ended with exit code 0 [2024-12-06 04:51:32,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:32,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:32,298 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:32,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:32,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:32,298 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:32,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:32,299 INFO L229 MonitoredProcess]: Starting monitored process 737 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:32,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (737)] Waiting until timeout for monitored process [2024-12-06 04:51:33,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:33,154 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:33,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:33,165 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:33,166 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:33,265 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:33,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (737)] Ended with exit code 0 [2024-12-06 04:51:33,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:33,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:33,275 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:33,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:33,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:33,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:33,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:33,277 INFO L229 MonitoredProcess]: Starting monitored process 738 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:33,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (738)] Waiting until timeout for monitored process [2024-12-06 04:51:34,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:34,073 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:34,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:34,085 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:34,085 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:34,185 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:34,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (738)] Ended with exit code 0 [2024-12-06 04:51:34,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:34,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:34,196 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:34,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:34,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:34,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:34,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:34,197 INFO L229 MonitoredProcess]: Starting monitored process 739 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:34,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (739)] Waiting until timeout for monitored process [2024-12-06 04:51:34,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:34,988 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:34,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:34,999 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:34,999 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:35,102 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:35,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (739)] Ended with exit code 0 [2024-12-06 04:51:35,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:35,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:35,111 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:35,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:35,111 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:35,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:35,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:35,113 INFO L229 MonitoredProcess]: Starting monitored process 740 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:35,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (740)] Waiting until timeout for monitored process [2024-12-06 04:51:35,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:35,910 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:35,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:35,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:35,922 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:36,028 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:36,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (740)] Ended with exit code 0 [2024-12-06 04:51:36,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:36,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:36,038 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:36,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:36,038 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:36,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:36,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:36,040 INFO L229 MonitoredProcess]: Starting monitored process 741 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:36,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (741)] Waiting until timeout for monitored process [2024-12-06 04:51:36,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:36,859 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:36,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:36,871 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:36,871 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:36,980 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:36,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (741)] Ended with exit code 0 [2024-12-06 04:51:36,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:36,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:36,989 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:36,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:36,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:36,989 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:36,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:36,991 INFO L229 MonitoredProcess]: Starting monitored process 742 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:36,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (742)] Waiting until timeout for monitored process [2024-12-06 04:51:37,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:37,813 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:37,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:37,824 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:37,825 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:37,922 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:37,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (742)] Ended with exit code 0 [2024-12-06 04:51:37,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:37,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:37,932 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:37,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:37,932 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:37,932 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:37,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:37,933 INFO L229 MonitoredProcess]: Starting monitored process 743 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:37,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (743)] Waiting until timeout for monitored process [2024-12-06 04:51:38,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:38,735 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:38,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:38,748 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:38,749 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:38,855 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:38,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (743)] Forceful destruction successful, exit code 0 [2024-12-06 04:51:38,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:38,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:38,864 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:38,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:38,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:38,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:38,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:38,866 INFO L229 MonitoredProcess]: Starting monitored process 744 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:38,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (744)] Waiting until timeout for monitored process [2024-12-06 04:51:39,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:39,656 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:39,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:39,667 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:39,668 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:39,759 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:39,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (744)] Ended with exit code 0 [2024-12-06 04:51:39,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:39,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:39,769 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:39,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:39,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:39,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:39,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:39,770 INFO L229 MonitoredProcess]: Starting monitored process 745 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:39,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (745)] Waiting until timeout for monitored process [2024-12-06 04:51:40,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:40,559 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:40,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:40,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:40,572 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:40,674 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:40,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (745)] Ended with exit code 0 [2024-12-06 04:51:40,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:40,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:40,683 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:40,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:40,684 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:40,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:40,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:40,685 INFO L229 MonitoredProcess]: Starting monitored process 746 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:40,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (746)] Waiting until timeout for monitored process [2024-12-06 04:51:41,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:41,516 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:41,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:41,529 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:41,529 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:41,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:41,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (746)] Ended with exit code 0 [2024-12-06 04:51:41,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:41,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:41,649 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:41,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:41,649 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:41,649 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:41,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:41,651 INFO L229 MonitoredProcess]: Starting monitored process 747 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:41,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (747)] Waiting until timeout for monitored process [2024-12-06 04:51:42,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:42,423 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:42,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:42,436 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:42,436 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:42,541 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:42,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (747)] Ended with exit code 0 [2024-12-06 04:51:42,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:42,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:42,551 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:42,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:42,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:42,551 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:42,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:42,553 INFO L229 MonitoredProcess]: Starting monitored process 748 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:42,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (748)] Waiting until timeout for monitored process [2024-12-06 04:51:43,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:43,410 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:43,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:43,422 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:43,423 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:43,522 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:43,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (748)] Ended with exit code 0 [2024-12-06 04:51:43,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:43,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:43,532 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:43,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:43,533 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:43,533 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:43,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:43,534 INFO L229 MonitoredProcess]: Starting monitored process 749 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:43,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (749)] Waiting until timeout for monitored process [2024-12-06 04:51:44,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:44,360 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:44,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:44,372 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:44,373 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:44,472 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:44,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (749)] Ended with exit code 0 [2024-12-06 04:51:44,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:44,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:44,482 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:44,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:44,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:44,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:44,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:44,484 INFO L229 MonitoredProcess]: Starting monitored process 750 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:44,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (750)] Waiting until timeout for monitored process [2024-12-06 04:51:45,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:45,287 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:45,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:45,298 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:45,298 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:45,402 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:45,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (750)] Ended with exit code 0 [2024-12-06 04:51:45,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:45,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:45,412 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:45,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:45,412 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:45,412 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:45,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:45,414 INFO L229 MonitoredProcess]: Starting monitored process 751 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:45,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (751)] Waiting until timeout for monitored process [2024-12-06 04:51:46,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:46,231 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:46,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:46,242 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:46,242 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:46,342 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:46,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (751)] Ended with exit code 0 [2024-12-06 04:51:46,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:46,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:46,352 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:46,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:46,352 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:46,352 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:46,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:46,354 INFO L229 MonitoredProcess]: Starting monitored process 752 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:46,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (752)] Waiting until timeout for monitored process [2024-12-06 04:51:47,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:47,220 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:47,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:47,232 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:47,233 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:47,335 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:47,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (752)] Ended with exit code 0 [2024-12-06 04:51:47,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:47,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:47,344 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:47,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:47,344 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:47,345 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:47,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:47,346 INFO L229 MonitoredProcess]: Starting monitored process 753 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:47,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (753)] Waiting until timeout for monitored process [2024-12-06 04:51:48,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:48,203 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:48,214 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:48,214 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:48,303 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:48,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (753)] Ended with exit code 0 [2024-12-06 04:51:48,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:48,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:48,313 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:48,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:48,313 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:48,313 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:48,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:48,315 INFO L229 MonitoredProcess]: Starting monitored process 754 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:48,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (754)] Waiting until timeout for monitored process [2024-12-06 04:51:49,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:49,135 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:49,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:49,148 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:49,149 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:49,251 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:49,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (754)] Ended with exit code 0 [2024-12-06 04:51:49,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:49,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:49,260 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:49,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:49,260 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:49,260 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:49,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:49,262 INFO L229 MonitoredProcess]: Starting monitored process 755 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:49,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (755)] Waiting until timeout for monitored process [2024-12-06 04:51:50,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:50,001 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:50,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:50,012 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:50,013 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:50,113 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:50,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (755)] Ended with exit code 0 [2024-12-06 04:51:50,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:50,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:50,123 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:50,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:50,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:50,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:50,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:50,124 INFO L229 MonitoredProcess]: Starting monitored process 756 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:50,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (756)] Waiting until timeout for monitored process [2024-12-06 04:51:50,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:50,983 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:50,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:50,995 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:50,995 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:51,088 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:51,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (756)] Ended with exit code 0 [2024-12-06 04:51:51,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:51,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:51,098 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:51,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:51,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:51,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:51,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:51,100 INFO L229 MonitoredProcess]: Starting monitored process 757 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:51,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (757)] Waiting until timeout for monitored process [2024-12-06 04:51:51,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:51,908 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:51,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:51,920 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:51,920 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:52,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:52,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (757)] Ended with exit code 0 [2024-12-06 04:51:52,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:52,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:52,030 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:52,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:52,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:52,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:52,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:52,032 INFO L229 MonitoredProcess]: Starting monitored process 758 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:52,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (758)] Waiting until timeout for monitored process [2024-12-06 04:51:52,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:52,866 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:52,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:52,877 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:52,878 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:52,975 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:52,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (758)] Ended with exit code 0 [2024-12-06 04:51:52,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:52,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:52,985 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:52,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:52,985 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:52,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:52,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:52,986 INFO L229 MonitoredProcess]: Starting monitored process 759 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:52,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (759)] Waiting until timeout for monitored process [2024-12-06 04:51:53,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:53,815 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:53,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:53,826 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:53,827 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:53,921 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:53,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (759)] Ended with exit code 0 [2024-12-06 04:51:53,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:53,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:53,931 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:53,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:53,931 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:53,932 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:53,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:53,933 INFO L229 MonitoredProcess]: Starting monitored process 760 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:53,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (760)] Waiting until timeout for monitored process [2024-12-06 04:51:54,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:54,716 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:54,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:54,728 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:54,729 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:54,826 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:54,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (760)] Ended with exit code 0 [2024-12-06 04:51:54,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:54,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:54,835 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:54,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:54,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:54,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:54,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:54,837 INFO L229 MonitoredProcess]: Starting monitored process 761 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:54,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (761)] Waiting until timeout for monitored process [2024-12-06 04:51:55,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:55,617 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:55,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:55,628 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:55,629 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:55,725 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:55,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (761)] Ended with exit code 0 [2024-12-06 04:51:55,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:55,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:55,736 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:55,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:55,736 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:55,736 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:55,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:55,738 INFO L229 MonitoredProcess]: Starting monitored process 762 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:55,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (762)] Waiting until timeout for monitored process [2024-12-06 04:51:56,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:56,581 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:56,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:56,593 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:56,594 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:56,694 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:56,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (762)] Ended with exit code 0 [2024-12-06 04:51:56,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:56,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:56,703 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:56,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:56,703 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:56,703 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:56,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:56,705 INFO L229 MonitoredProcess]: Starting monitored process 763 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:56,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (763)] Waiting until timeout for monitored process [2024-12-06 04:51:57,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:57,465 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:57,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:57,476 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:57,477 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:57,574 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:57,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (763)] Ended with exit code 0 [2024-12-06 04:51:57,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:57,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:57,585 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:57,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:57,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:57,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:57,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:57,587 INFO L229 MonitoredProcess]: Starting monitored process 764 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:57,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (764)] Waiting until timeout for monitored process [2024-12-06 04:51:58,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:58,345 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:58,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:58,357 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:58,358 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:58,457 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:58,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (764)] Ended with exit code 0 [2024-12-06 04:51:58,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:58,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:58,468 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:58,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:58,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:58,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:58,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:58,470 INFO L229 MonitoredProcess]: Starting monitored process 765 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:58,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (765)] Waiting until timeout for monitored process [2024-12-06 04:51:59,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:59,292 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:51:59,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:59,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:51:59,304 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:51:59,402 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:51:59,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (765)] Ended with exit code 0 [2024-12-06 04:51:59,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:59,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:51:59,413 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:51:59,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:51:59,414 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:59,414 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:59,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:51:59,415 INFO L229 MonitoredProcess]: Starting monitored process 766 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:51:59,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (766)] Waiting until timeout for monitored process [2024-12-06 04:52:00,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:00,204 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:00,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:00,215 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:00,215 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:00,317 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:00,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (766)] Ended with exit code 0 [2024-12-06 04:52:00,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:00,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:00,326 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:00,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:00,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:00,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:00,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:00,328 INFO L229 MonitoredProcess]: Starting monitored process 767 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:00,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (767)] Waiting until timeout for monitored process [2024-12-06 04:52:01,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:01,104 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:01,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:01,118 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:01,118 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:01,222 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:01,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (767)] Ended with exit code 0 [2024-12-06 04:52:01,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:01,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:01,231 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:01,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:01,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:01,232 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:01,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:01,233 INFO L229 MonitoredProcess]: Starting monitored process 768 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:01,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (768)] Waiting until timeout for monitored process [2024-12-06 04:52:02,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:02,019 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:02,032 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:02,033 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:02,120 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:02,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (768)] Ended with exit code 0 [2024-12-06 04:52:02,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:02,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:02,131 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:02,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:02,131 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:02,131 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:02,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:02,132 INFO L229 MonitoredProcess]: Starting monitored process 769 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:02,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (769)] Waiting until timeout for monitored process [2024-12-06 04:52:02,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:02,960 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:02,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:02,972 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:02,973 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:03,080 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:03,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (769)] Ended with exit code 0 [2024-12-06 04:52:03,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:03,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:03,092 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:03,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:03,092 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:03,092 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:03,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:03,094 INFO L229 MonitoredProcess]: Starting monitored process 770 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:03,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (770)] Waiting until timeout for monitored process [2024-12-06 04:52:04,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:04,009 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:04,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:04,024 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:04,024 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:04,110 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:04,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (770)] Forceful destruction successful, exit code 0 [2024-12-06 04:52:04,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:04,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:04,121 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:04,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:04,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:04,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:04,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:04,123 INFO L229 MonitoredProcess]: Starting monitored process 771 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:04,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (771)] Waiting until timeout for monitored process [2024-12-06 04:52:04,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:04,968 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:04,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:04,980 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:04,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:05,089 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:05,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (771)] Ended with exit code 0 [2024-12-06 04:52:05,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:05,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:05,099 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:05,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:05,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:05,100 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:05,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:05,101 INFO L229 MonitoredProcess]: Starting monitored process 772 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:05,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (772)] Waiting until timeout for monitored process [2024-12-06 04:52:05,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:05,976 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:05,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:05,989 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:05,989 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:06,095 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:06,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (772)] Forceful destruction successful, exit code 0 [2024-12-06 04:52:06,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:06,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:06,105 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:06,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:06,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:06,106 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:06,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:06,107 INFO L229 MonitoredProcess]: Starting monitored process 773 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:06,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (773)] Waiting until timeout for monitored process [2024-12-06 04:52:06,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:06,956 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:06,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:06,968 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:06,969 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:07,073 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:07,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (773)] Ended with exit code 0 [2024-12-06 04:52:07,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:07,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:07,083 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:07,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:07,083 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:07,083 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:07,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:07,085 INFO L229 MonitoredProcess]: Starting monitored process 774 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:07,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (774)] Waiting until timeout for monitored process [2024-12-06 04:52:07,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:07,982 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:07,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:07,994 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:07,995 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:08,101 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:08,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (774)] Ended with exit code 0 [2024-12-06 04:52:08,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:08,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:08,111 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:08,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:08,111 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:08,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:08,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:08,113 INFO L229 MonitoredProcess]: Starting monitored process 775 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:08,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (775)] Waiting until timeout for monitored process [2024-12-06 04:52:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:08,968 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:08,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:08,982 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:08,983 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:09,088 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:09,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (775)] Ended with exit code 0 [2024-12-06 04:52:09,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:09,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:09,098 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:09,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:09,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:09,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:09,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:09,100 INFO L229 MonitoredProcess]: Starting monitored process 776 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:09,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (776)] Waiting until timeout for monitored process [2024-12-06 04:52:09,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:09,917 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:09,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:09,929 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:09,930 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:10,042 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:10,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (776)] Ended with exit code 0 [2024-12-06 04:52:10,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:10,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:10,052 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:10,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:10,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:10,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:10,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:10,054 INFO L229 MonitoredProcess]: Starting monitored process 777 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:10,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (777)] Waiting until timeout for monitored process [2024-12-06 04:52:10,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:10,907 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:10,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:10,918 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:10,918 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:11,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:11,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (777)] Forceful destruction successful, exit code 0 [2024-12-06 04:52:11,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:11,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:11,042 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:11,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:11,042 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:11,042 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:11,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:11,043 INFO L229 MonitoredProcess]: Starting monitored process 778 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:11,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (778)] Waiting until timeout for monitored process [2024-12-06 04:52:11,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:11,895 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:11,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:11,906 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:11,907 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:12,013 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:12,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (778)] Ended with exit code 0 [2024-12-06 04:52:12,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:12,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:12,023 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:12,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:12,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:12,023 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:12,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:12,024 INFO L229 MonitoredProcess]: Starting monitored process 779 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:12,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (779)] Waiting until timeout for monitored process [2024-12-06 04:52:12,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:12,898 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:12,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:12,910 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:12,911 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:13,022 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:13,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (779)] Ended with exit code 0 [2024-12-06 04:52:13,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:13,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:13,033 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:13,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:13,033 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:13,033 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:13,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:13,035 INFO L229 MonitoredProcess]: Starting monitored process 780 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:13,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (780)] Waiting until timeout for monitored process [2024-12-06 04:52:13,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:13,891 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:13,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:13,903 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:13,903 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:14,014 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:14,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (780)] Forceful destruction successful, exit code 0 [2024-12-06 04:52:14,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:14,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:14,024 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:14,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:14,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:14,025 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:14,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:14,026 INFO L229 MonitoredProcess]: Starting monitored process 781 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:14,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (781)] Waiting until timeout for monitored process [2024-12-06 04:52:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:14,917 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:14,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:14,928 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:14,929 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:15,031 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:15,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (781)] Ended with exit code 0 [2024-12-06 04:52:15,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:15,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:15,041 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:15,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:15,042 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:15,042 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:15,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:15,043 INFO L229 MonitoredProcess]: Starting monitored process 782 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:15,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (782)] Waiting until timeout for monitored process [2024-12-06 04:52:15,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:15,896 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:15,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:15,907 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:15,908 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:16,008 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:16,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (782)] Ended with exit code 0 [2024-12-06 04:52:16,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:16,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:16,023 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:16,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:16,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:16,023 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:16,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:16,025 INFO L229 MonitoredProcess]: Starting monitored process 783 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:16,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (783)] Waiting until timeout for monitored process [2024-12-06 04:52:16,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:16,925 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:16,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:16,936 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:16,937 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:17,048 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:17,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (783)] Ended with exit code 0 [2024-12-06 04:52:17,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:17,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:17,057 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:17,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:17,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:17,058 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:17,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:17,059 INFO L229 MonitoredProcess]: Starting monitored process 784 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:17,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (784)] Waiting until timeout for monitored process [2024-12-06 04:52:17,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:17,876 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:17,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:17,888 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:17,889 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:17,993 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:17,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (784)] Forceful destruction successful, exit code 0 [2024-12-06 04:52:18,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:18,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:18,003 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:18,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:18,003 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:18,004 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:18,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:18,005 INFO L229 MonitoredProcess]: Starting monitored process 785 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:18,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (785)] Waiting until timeout for monitored process [2024-12-06 04:52:18,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:18,896 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:18,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:18,909 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:18,910 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:19,015 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:19,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (785)] Ended with exit code 0 [2024-12-06 04:52:19,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:19,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:19,026 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:19,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:19,026 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:19,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:19,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:19,027 INFO L229 MonitoredProcess]: Starting monitored process 786 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:19,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (786)] Waiting until timeout for monitored process [2024-12-06 04:52:19,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:19,937 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:19,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:19,948 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:19,949 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:20,060 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:20,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (786)] Ended with exit code 0 [2024-12-06 04:52:20,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:20,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:20,070 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:20,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:20,071 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:20,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:20,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:20,072 INFO L229 MonitoredProcess]: Starting monitored process 787 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:20,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (787)] Waiting until timeout for monitored process [2024-12-06 04:52:20,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:20,951 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:20,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:20,964 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:20,964 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:21,074 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:21,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (787)] Ended with exit code 0 [2024-12-06 04:52:21,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:21,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:21,085 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:21,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:21,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:21,085 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:21,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:21,087 INFO L229 MonitoredProcess]: Starting monitored process 788 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:21,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (788)] Waiting until timeout for monitored process [2024-12-06 04:52:21,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:21,961 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:21,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:21,974 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:21,974 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:22,082 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:22,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (788)] Ended with exit code 0 [2024-12-06 04:52:22,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:22,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:22,092 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:22,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:22,092 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:22,092 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:22,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:22,093 INFO L229 MonitoredProcess]: Starting monitored process 789 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:22,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (789)] Waiting until timeout for monitored process [2024-12-06 04:52:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:22,968 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:22,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:22,980 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:22,980 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:23,086 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:23,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (789)] Ended with exit code 0 [2024-12-06 04:52:23,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:23,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:23,098 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:23,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:23,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:23,098 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:23,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:23,099 INFO L229 MonitoredProcess]: Starting monitored process 790 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:23,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (790)] Waiting until timeout for monitored process [2024-12-06 04:52:23,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:23,954 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:23,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:23,965 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:23,966 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:24,071 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:24,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (790)] Ended with exit code 0 [2024-12-06 04:52:24,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:24,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:24,081 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:24,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:24,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:24,082 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:24,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:24,083 INFO L229 MonitoredProcess]: Starting monitored process 791 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:24,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (791)] Waiting until timeout for monitored process [2024-12-06 04:52:24,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:24,967 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:24,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:24,983 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:24,983 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:25,088 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:25,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (791)] Ended with exit code 0 [2024-12-06 04:52:25,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:25,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:25,098 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:25,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:25,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:25,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:25,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:25,100 INFO L229 MonitoredProcess]: Starting monitored process 792 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:25,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (792)] Waiting until timeout for monitored process [2024-12-06 04:52:25,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:25,989 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:26,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:26,001 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:26,002 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:26,115 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:26,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (792)] Ended with exit code 0 [2024-12-06 04:52:26,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:26,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:26,126 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:26,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:26,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:26,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:26,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:26,128 INFO L229 MonitoredProcess]: Starting monitored process 793 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:26,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (793)] Waiting until timeout for monitored process [2024-12-06 04:52:27,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:27,088 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:27,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:27,099 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:27,100 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:27,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:27,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (793)] Ended with exit code 0 [2024-12-06 04:52:27,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:27,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:27,222 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:27,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:27,222 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:27,223 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:27,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:27,225 INFO L229 MonitoredProcess]: Starting monitored process 794 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:27,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (794)] Waiting until timeout for monitored process [2024-12-06 04:52:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:28,131 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:28,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:28,142 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:28,143 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:28,245 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:28,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (794)] Ended with exit code 0 [2024-12-06 04:52:28,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:28,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:28,255 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:28,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:28,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:28,256 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:28,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:28,257 INFO L229 MonitoredProcess]: Starting monitored process 795 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:28,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (795)] Waiting until timeout for monitored process [2024-12-06 04:52:29,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:29,144 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:29,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:29,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:29,158 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:29,268 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:29,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (795)] Ended with exit code 0 [2024-12-06 04:52:29,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:29,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:29,278 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:29,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:29,278 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:29,278 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:29,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:29,280 INFO L229 MonitoredProcess]: Starting monitored process 796 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:29,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (796)] Waiting until timeout for monitored process [2024-12-06 04:52:30,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:30,156 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:30,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:30,168 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:30,169 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:30,264 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:30,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (796)] Ended with exit code 0 [2024-12-06 04:52:30,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:30,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:30,274 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:30,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:30,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:30,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:30,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:30,276 INFO L229 MonitoredProcess]: Starting monitored process 797 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:30,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (797)] Waiting until timeout for monitored process [2024-12-06 04:52:31,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:31,200 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:31,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:31,212 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:31,212 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:31,320 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:31,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (797)] Ended with exit code 0 [2024-12-06 04:52:31,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:31,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:31,332 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:31,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:31,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:31,332 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:31,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:31,334 INFO L229 MonitoredProcess]: Starting monitored process 798 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:31,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (798)] Waiting until timeout for monitored process [2024-12-06 04:52:32,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:32,205 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:32,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:32,217 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:32,218 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:32,330 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:32,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (798)] Ended with exit code 0 [2024-12-06 04:52:32,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:32,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:32,341 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:32,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:32,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:32,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:32,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:32,342 INFO L229 MonitoredProcess]: Starting monitored process 799 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:32,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (799)] Waiting until timeout for monitored process [2024-12-06 04:52:33,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:33,244 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:33,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:33,256 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:33,257 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:33,357 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:33,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (799)] Ended with exit code 0 [2024-12-06 04:52:33,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:33,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:33,367 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:33,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:33,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:33,367 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:33,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:33,368 INFO L229 MonitoredProcess]: Starting monitored process 800 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:33,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (800)] Waiting until timeout for monitored process [2024-12-06 04:52:34,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:34,277 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:34,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:34,288 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:34,289 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:34,397 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:34,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (800)] Ended with exit code 0 [2024-12-06 04:52:34,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:34,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:34,407 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:34,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:34,407 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:34,407 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:34,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:34,409 INFO L229 MonitoredProcess]: Starting monitored process 801 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:34,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (801)] Waiting until timeout for monitored process [2024-12-06 04:52:35,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:35,267 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:35,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:35,278 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:35,279 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:35,385 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:35,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (801)] Ended with exit code 0 [2024-12-06 04:52:35,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:35,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:35,399 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:35,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:35,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:35,399 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:35,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:35,401 INFO L229 MonitoredProcess]: Starting monitored process 802 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:35,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (802)] Waiting until timeout for monitored process [2024-12-06 04:52:36,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:36,311 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:36,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:36,326 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:36,326 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:36,433 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:36,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (802)] Ended with exit code 0 [2024-12-06 04:52:36,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:36,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:36,444 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:36,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:36,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:36,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:36,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:36,445 INFO L229 MonitoredProcess]: Starting monitored process 803 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:36,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (803)] Waiting until timeout for monitored process [2024-12-06 04:52:37,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:37,362 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:37,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:37,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:37,376 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:37,487 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:37,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (803)] Ended with exit code 0 [2024-12-06 04:52:37,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:37,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:37,497 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:37,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:37,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:37,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:37,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:37,499 INFO L229 MonitoredProcess]: Starting monitored process 804 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:37,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (804)] Waiting until timeout for monitored process [2024-12-06 04:52:38,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:38,337 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:38,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:38,349 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:38,350 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:38,454 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:38,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (804)] Forceful destruction successful, exit code 0 [2024-12-06 04:52:38,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:38,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:38,468 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:38,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:38,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:38,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:38,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:38,469 INFO L229 MonitoredProcess]: Starting monitored process 805 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:38,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (805)] Waiting until timeout for monitored process [2024-12-06 04:52:39,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:39,359 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:39,371 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:39,372 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:39,471 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:39,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (805)] Ended with exit code 0 [2024-12-06 04:52:39,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:39,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:39,483 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:39,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:39,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:39,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:39,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:39,484 INFO L229 MonitoredProcess]: Starting monitored process 806 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:39,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (806)] Waiting until timeout for monitored process [2024-12-06 04:52:40,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:40,367 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:40,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:40,379 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:40,379 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:40,489 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:40,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (806)] Ended with exit code 0 [2024-12-06 04:52:40,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:40,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:40,499 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:40,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:40,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:40,500 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:40,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:40,501 INFO L229 MonitoredProcess]: Starting monitored process 807 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:40,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (807)] Waiting until timeout for monitored process [2024-12-06 04:52:41,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:41,399 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:41,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:41,411 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:41,412 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:41,518 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:41,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (807)] Ended with exit code 0 [2024-12-06 04:52:41,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:41,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:41,529 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:41,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:41,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:41,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:41,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:41,530 INFO L229 MonitoredProcess]: Starting monitored process 808 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:41,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (808)] Waiting until timeout for monitored process [2024-12-06 04:52:42,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:42,389 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:42,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:42,401 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:42,401 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:42,513 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:42,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (808)] Ended with exit code 0 [2024-12-06 04:52:42,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:42,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:42,524 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:42,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:42,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:42,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:42,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:42,526 INFO L229 MonitoredProcess]: Starting monitored process 809 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:42,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (809)] Waiting until timeout for monitored process [2024-12-06 04:52:43,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:43,456 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:43,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:43,467 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:43,468 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:43,578 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:43,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (809)] Ended with exit code 0 [2024-12-06 04:52:43,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:43,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:43,588 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:43,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:43,589 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:43,589 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:43,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:43,590 INFO L229 MonitoredProcess]: Starting monitored process 810 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:43,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (810)] Waiting until timeout for monitored process [2024-12-06 04:52:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:44,479 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:44,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:44,491 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:44,491 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:44,595 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:44,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (810)] Ended with exit code 0 [2024-12-06 04:52:44,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:44,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:44,606 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:44,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:44,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:44,607 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:44,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:44,608 INFO L229 MonitoredProcess]: Starting monitored process 811 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:44,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (811)] Waiting until timeout for monitored process [2024-12-06 04:52:45,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:45,471 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:45,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:45,482 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:45,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:45,580 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:45,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (811)] Ended with exit code 0 [2024-12-06 04:52:45,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:45,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:45,591 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:45,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:45,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:45,591 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:45,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:45,593 INFO L229 MonitoredProcess]: Starting monitored process 812 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:45,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (812)] Waiting until timeout for monitored process [2024-12-06 04:52:46,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:46,518 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:46,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:46,531 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:46,532 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:46,634 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:46,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (812)] Ended with exit code 0 [2024-12-06 04:52:46,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:46,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:46,644 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:46,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:46,644 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:46,645 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:46,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:46,646 INFO L229 MonitoredProcess]: Starting monitored process 813 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:46,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (813)] Waiting until timeout for monitored process [2024-12-06 04:52:47,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:47,455 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:47,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:47,467 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:47,468 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:47,575 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:47,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (813)] Ended with exit code 0 [2024-12-06 04:52:47,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:47,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:47,587 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:47,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:47,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:47,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:47,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:47,588 INFO L229 MonitoredProcess]: Starting monitored process 814 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:47,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (814)] Waiting until timeout for monitored process [2024-12-06 04:52:48,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:48,512 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:48,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:48,525 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:48,525 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:48,632 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:48,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (814)] Forceful destruction successful, exit code 0 [2024-12-06 04:52:48,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:48,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:48,642 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:48,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:48,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:48,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:48,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:48,644 INFO L229 MonitoredProcess]: Starting monitored process 815 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:48,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (815)] Waiting until timeout for monitored process [2024-12-06 04:52:49,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:49,533 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:49,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:49,547 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:49,548 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:49,661 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:49,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (815)] Forceful destruction successful, exit code 0 [2024-12-06 04:52:49,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:49,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:49,671 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:49,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:49,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:49,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:49,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:49,673 INFO L229 MonitoredProcess]: Starting monitored process 816 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:49,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (816)] Waiting until timeout for monitored process [2024-12-06 04:52:50,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:50,617 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:50,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:50,630 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:50,631 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:50,729 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:50,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (816)] Ended with exit code 0 [2024-12-06 04:52:50,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:50,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:50,740 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:50,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:50,741 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:50,741 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:50,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:50,742 INFO L229 MonitoredProcess]: Starting monitored process 817 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:50,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (817)] Waiting until timeout for monitored process [2024-12-06 04:52:51,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:51,722 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:51,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:51,737 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:51,737 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:51,847 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:51,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (817)] Ended with exit code 0 [2024-12-06 04:52:51,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:51,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:51,857 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:51,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:51,857 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:51,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:51,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:51,859 INFO L229 MonitoredProcess]: Starting monitored process 818 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:51,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (818)] Waiting until timeout for monitored process [2024-12-06 04:52:52,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:52,890 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:52,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:52,903 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:52,904 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:53,015 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:53,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (818)] Ended with exit code 0 [2024-12-06 04:52:53,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:53,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:53,025 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:53,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:53,026 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:53,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:53,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:53,027 INFO L229 MonitoredProcess]: Starting monitored process 819 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:53,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (819)] Waiting until timeout for monitored process [2024-12-06 04:52:54,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:54,014 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:54,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:54,029 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:54,030 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:54,148 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:54,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (819)] Ended with exit code 0 [2024-12-06 04:52:54,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:54,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:54,158 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:54,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:54,159 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:54,159 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:54,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:54,160 INFO L229 MonitoredProcess]: Starting monitored process 820 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:54,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (820)] Waiting until timeout for monitored process [2024-12-06 04:52:55,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:55,144 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:55,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:55,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:55,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:55,267 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:55,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (820)] Ended with exit code 0 [2024-12-06 04:52:55,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:55,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:55,278 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:55,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:55,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:55,279 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:55,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:55,280 INFO L229 MonitoredProcess]: Starting monitored process 821 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:55,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (821)] Waiting until timeout for monitored process [2024-12-06 04:52:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:56,253 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:56,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:56,268 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:56,384 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:56,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (821)] Ended with exit code 0 [2024-12-06 04:52:56,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:56,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:56,395 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:56,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:56,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:56,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:56,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:56,396 INFO L229 MonitoredProcess]: Starting monitored process 822 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:56,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (822)] Waiting until timeout for monitored process [2024-12-06 04:52:57,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:57,373 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:57,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:57,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:57,385 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:57,492 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:57,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (822)] Ended with exit code 0 [2024-12-06 04:52:57,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:57,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:57,502 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:57,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:57,502 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:57,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:57,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:57,504 INFO L229 MonitoredProcess]: Starting monitored process 823 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:57,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (823)] Waiting until timeout for monitored process [2024-12-06 04:52:58,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:58,438 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:58,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:58,452 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:58,453 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:58,560 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:58,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (823)] Ended with exit code 0 [2024-12-06 04:52:58,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:58,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:58,572 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:58,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:58,572 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:58,572 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:58,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:58,574 INFO L229 MonitoredProcess]: Starting monitored process 824 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:58,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (824)] Waiting until timeout for monitored process [2024-12-06 04:52:59,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:59,515 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:52:59,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:59,529 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:52:59,529 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:52:59,646 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:52:59,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (824)] Ended with exit code 0 [2024-12-06 04:52:59,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:59,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:52:59,657 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:52:59,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:52:59,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:59,657 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:52:59,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:52:59,659 INFO L229 MonitoredProcess]: Starting monitored process 825 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:52:59,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (825)] Waiting until timeout for monitored process [2024-12-06 04:53:00,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:00,549 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:00,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:00,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:00,561 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:00,648 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:00,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (825)] Ended with exit code 0 [2024-12-06 04:53:00,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:00,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:00,658 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:00,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:00,658 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:00,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:00,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:00,660 INFO L229 MonitoredProcess]: Starting monitored process 826 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:00,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (826)] Waiting until timeout for monitored process [2024-12-06 04:53:01,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:01,441 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:01,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:01,452 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:01,453 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:01,547 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:01,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (826)] Ended with exit code 0 [2024-12-06 04:53:01,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:01,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:01,556 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:01,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:01,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:01,556 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:01,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:01,558 INFO L229 MonitoredProcess]: Starting monitored process 827 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:01,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (827)] Waiting until timeout for monitored process [2024-12-06 04:53:02,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:02,482 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:02,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:02,494 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:02,495 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:02,606 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:02,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (827)] Ended with exit code 0 [2024-12-06 04:53:02,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:02,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:02,621 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:02,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:02,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:02,621 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:02,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:02,623 INFO L229 MonitoredProcess]: Starting monitored process 828 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:02,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (828)] Waiting until timeout for monitored process [2024-12-06 04:53:03,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:03,458 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:03,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:03,470 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:03,471 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:03,583 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:03,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (828)] Ended with exit code 0 [2024-12-06 04:53:03,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:03,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:03,595 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:03,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:03,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:03,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:03,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:03,597 INFO L229 MonitoredProcess]: Starting monitored process 829 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:03,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (829)] Waiting until timeout for monitored process [2024-12-06 04:53:04,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:04,509 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:04,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:04,520 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:04,521 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:04,627 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:04,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (829)] Ended with exit code 0 [2024-12-06 04:53:04,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:04,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:04,639 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:04,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:04,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:04,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:04,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:04,641 INFO L229 MonitoredProcess]: Starting monitored process 830 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:04,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (830)] Waiting until timeout for monitored process [2024-12-06 04:53:05,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:05,468 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:05,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:05,481 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:05,482 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:05,586 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:05,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (830)] Ended with exit code 0 [2024-12-06 04:53:05,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:05,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:05,598 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:05,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:05,599 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:05,599 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:05,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:05,600 INFO L229 MonitoredProcess]: Starting monitored process 831 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:05,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (831)] Waiting until timeout for monitored process [2024-12-06 04:53:06,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:06,571 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:06,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:06,586 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:06,587 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:06,698 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:06,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (831)] Ended with exit code 0 [2024-12-06 04:53:06,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:06,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:06,709 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:06,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:06,710 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:06,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:06,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:06,711 INFO L229 MonitoredProcess]: Starting monitored process 832 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:06,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (832)] Waiting until timeout for monitored process [2024-12-06 04:53:07,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:07,614 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:07,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:07,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:07,627 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:07,735 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:07,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (832)] Ended with exit code 0 [2024-12-06 04:53:07,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:07,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:07,746 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:07,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:07,746 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:07,746 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:07,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:07,748 INFO L229 MonitoredProcess]: Starting monitored process 833 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:07,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (833)] Waiting until timeout for monitored process [2024-12-06 04:53:08,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:08,657 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:08,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:08,670 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:08,670 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:08,782 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:08,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (833)] Ended with exit code 0 [2024-12-06 04:53:08,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:08,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:08,792 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:08,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:08,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:08,792 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:08,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:08,794 INFO L229 MonitoredProcess]: Starting monitored process 834 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:08,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (834)] Waiting until timeout for monitored process [2024-12-06 04:53:09,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:09,641 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:09,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:09,653 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:09,654 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:09,758 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:09,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (834)] Ended with exit code 0 [2024-12-06 04:53:09,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:09,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:09,770 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:09,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:09,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:09,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:09,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:09,771 INFO L229 MonitoredProcess]: Starting monitored process 835 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:09,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (835)] Waiting until timeout for monitored process [2024-12-06 04:53:10,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:10,708 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:10,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:10,720 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:10,721 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:10,822 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:10,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (835)] Forceful destruction successful, exit code 0 [2024-12-06 04:53:10,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:10,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:10,833 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:10,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:10,833 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:10,833 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:10,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:10,835 INFO L229 MonitoredProcess]: Starting monitored process 836 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:10,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (836)] Waiting until timeout for monitored process [2024-12-06 04:53:11,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:11,758 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:11,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:11,770 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:11,770 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:11,870 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:11,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (836)] Ended with exit code 0 [2024-12-06 04:53:11,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:11,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:11,880 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:11,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:11,880 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:11,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:11,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:11,882 INFO L229 MonitoredProcess]: Starting monitored process 837 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:11,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (837)] Waiting until timeout for monitored process [2024-12-06 04:53:12,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:12,891 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:12,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:12,905 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:12,906 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:13,017 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:13,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (837)] Ended with exit code 0 [2024-12-06 04:53:13,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:13,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:13,027 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:13,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:13,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:13,027 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:13,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:13,029 INFO L229 MonitoredProcess]: Starting monitored process 838 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:13,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (838)] Waiting until timeout for monitored process [2024-12-06 04:53:13,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:13,999 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:14,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:14,010 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:14,011 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:14,122 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:14,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (838)] Ended with exit code 0 [2024-12-06 04:53:14,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:14,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:14,133 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:14,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:14,133 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:14,133 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:14,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:14,135 INFO L229 MonitoredProcess]: Starting monitored process 839 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:14,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (839)] Waiting until timeout for monitored process [2024-12-06 04:53:15,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:15,027 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:15,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:15,039 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:15,039 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:15,151 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:15,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (839)] Ended with exit code 0 [2024-12-06 04:53:15,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:15,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:15,163 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:15,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:15,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:15,164 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:15,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:15,165 INFO L229 MonitoredProcess]: Starting monitored process 840 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:15,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (840)] Waiting until timeout for monitored process [2024-12-06 04:53:16,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:16,161 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:16,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:16,173 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:16,174 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:16,276 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:16,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (840)] Ended with exit code 0 [2024-12-06 04:53:16,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:16,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:16,285 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:16,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:16,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:16,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:16,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:16,287 INFO L229 MonitoredProcess]: Starting monitored process 841 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:16,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (841)] Waiting until timeout for monitored process [2024-12-06 04:53:17,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:17,236 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:17,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:17,249 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:17,249 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:17,359 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:17,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (841)] Ended with exit code 0 [2024-12-06 04:53:17,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:17,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:17,369 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:17,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:17,370 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:17,370 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:17,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:17,371 INFO L229 MonitoredProcess]: Starting monitored process 842 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:17,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (842)] Waiting until timeout for monitored process [2024-12-06 04:53:18,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:18,362 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:18,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:18,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:18,376 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:18,489 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:18,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (842)] Ended with exit code 0 [2024-12-06 04:53:18,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:18,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:18,500 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:18,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:18,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:18,500 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:18,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:18,501 INFO L229 MonitoredProcess]: Starting monitored process 843 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:18,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (843)] Waiting until timeout for monitored process [2024-12-06 04:53:19,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:19,447 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:19,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:19,460 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:19,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:19,564 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:19,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (843)] Ended with exit code 0 [2024-12-06 04:53:19,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:19,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:19,574 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:19,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:19,575 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:19,575 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:19,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:19,576 INFO L229 MonitoredProcess]: Starting monitored process 844 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:19,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (844)] Waiting until timeout for monitored process [2024-12-06 04:53:20,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:20,455 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:20,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:20,466 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:20,467 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:20,578 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:20,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (844)] Ended with exit code 0 [2024-12-06 04:53:20,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:20,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:20,588 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:20,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:20,589 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:20,589 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:20,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:20,590 INFO L229 MonitoredProcess]: Starting monitored process 845 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:20,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (845)] Waiting until timeout for monitored process [2024-12-06 04:53:21,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:21,497 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:21,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:21,509 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:21,509 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:21,617 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:21,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (845)] Ended with exit code 0 [2024-12-06 04:53:21,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:21,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:21,628 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:21,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:21,628 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:21,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:21,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:21,630 INFO L229 MonitoredProcess]: Starting monitored process 846 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:21,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (846)] Waiting until timeout for monitored process [2024-12-06 04:53:22,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:22,602 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:22,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:22,615 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:22,616 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:22,725 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:22,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (846)] Ended with exit code 0 [2024-12-06 04:53:22,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:22,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:22,736 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:22,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:22,736 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:22,736 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:22,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:22,738 INFO L229 MonitoredProcess]: Starting monitored process 847 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:22,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (847)] Waiting until timeout for monitored process [2024-12-06 04:53:23,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:23,639 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:23,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:23,650 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:23,651 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:23,762 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:23,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (847)] Ended with exit code 0 [2024-12-06 04:53:23,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:23,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:23,772 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:23,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:23,772 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:23,772 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:23,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:23,774 INFO L229 MonitoredProcess]: Starting monitored process 848 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:23,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (848)] Waiting until timeout for monitored process [2024-12-06 04:53:24,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:24,703 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:24,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:24,715 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:24,716 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:24,822 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:24,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (848)] Ended with exit code 0 [2024-12-06 04:53:24,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:24,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:24,833 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:24,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:24,833 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:24,833 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:24,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:24,835 INFO L229 MonitoredProcess]: Starting monitored process 849 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:24,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (849)] Waiting until timeout for monitored process [2024-12-06 04:53:25,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:25,788 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:25,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:25,800 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:25,801 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:25,907 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:25,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (849)] Ended with exit code 0 [2024-12-06 04:53:25,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:25,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:25,918 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:25,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:25,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:25,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:25,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:25,919 INFO L229 MonitoredProcess]: Starting monitored process 850 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:25,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (850)] Waiting until timeout for monitored process [2024-12-06 04:53:26,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:26,828 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:26,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:26,840 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:26,841 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:26,951 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:26,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (850)] Ended with exit code 0 [2024-12-06 04:53:26,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:26,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:26,962 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:26,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:26,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:26,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:26,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:26,964 INFO L229 MonitoredProcess]: Starting monitored process 851 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:26,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (851)] Waiting until timeout for monitored process [2024-12-06 04:53:27,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:27,921 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:27,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:27,932 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:27,933 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:28,045 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:28,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (851)] Ended with exit code 0 [2024-12-06 04:53:28,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:28,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:28,055 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:28,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:28,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:28,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:28,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:28,057 INFO L229 MonitoredProcess]: Starting monitored process 852 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:28,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (852)] Waiting until timeout for monitored process [2024-12-06 04:53:29,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:29,019 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:29,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:29,031 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:29,032 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:29,132 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:29,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (852)] Ended with exit code 0 [2024-12-06 04:53:29,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:29,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:29,145 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:29,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:29,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:29,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:29,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:29,147 INFO L229 MonitoredProcess]: Starting monitored process 853 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:29,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (853)] Waiting until timeout for monitored process [2024-12-06 04:53:30,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:30,061 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:30,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:30,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:30,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:30,179 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:30,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (853)] Ended with exit code 0 [2024-12-06 04:53:30,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:30,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:30,190 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:30,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:30,190 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:30,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:30,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:30,192 INFO L229 MonitoredProcess]: Starting monitored process 854 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:30,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (854)] Waiting until timeout for monitored process [2024-12-06 04:53:31,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:31,093 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:31,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:31,107 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:31,107 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:31,206 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:31,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (854)] Ended with exit code 0 [2024-12-06 04:53:31,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:31,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:31,216 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:31,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:31,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:31,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:31,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:31,218 INFO L229 MonitoredProcess]: Starting monitored process 855 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:31,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (855)] Waiting until timeout for monitored process [2024-12-06 04:53:32,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:32,093 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:32,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:32,105 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:32,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:32,214 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:32,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (855)] Ended with exit code 0 [2024-12-06 04:53:32,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:32,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:32,225 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:32,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:32,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:32,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:32,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:32,226 INFO L229 MonitoredProcess]: Starting monitored process 856 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:32,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (856)] Waiting until timeout for monitored process [2024-12-06 04:53:33,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:33,181 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:33,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:33,193 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:33,193 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:33,294 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:33,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (856)] Ended with exit code 0 [2024-12-06 04:53:33,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:33,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:33,304 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:33,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:33,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:33,304 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:33,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:33,306 INFO L229 MonitoredProcess]: Starting monitored process 857 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:33,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (857)] Waiting until timeout for monitored process [2024-12-06 04:53:34,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:34,254 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:34,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:34,267 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:34,267 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:34,369 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:34,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (857)] Ended with exit code 0 [2024-12-06 04:53:34,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:34,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:34,380 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:34,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:34,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:34,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:34,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:34,382 INFO L229 MonitoredProcess]: Starting monitored process 858 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:34,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (858)] Waiting until timeout for monitored process [2024-12-06 04:53:35,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:35,276 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:35,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:35,292 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:35,293 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:35,399 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:35,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (858)] Ended with exit code 0 [2024-12-06 04:53:35,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:35,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:35,409 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:35,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:35,410 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:35,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:35,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:35,411 INFO L229 MonitoredProcess]: Starting monitored process 859 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:35,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (859)] Waiting until timeout for monitored process [2024-12-06 04:53:36,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:36,354 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:36,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:36,367 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:36,367 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:36,471 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:36,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (859)] Ended with exit code 0 [2024-12-06 04:53:36,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:36,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:36,482 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:36,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:36,482 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:36,482 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:36,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:36,484 INFO L229 MonitoredProcess]: Starting monitored process 860 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:36,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (860)] Waiting until timeout for monitored process [2024-12-06 04:53:37,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:37,421 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:37,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:37,433 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:37,434 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:37,527 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:37,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (860)] Ended with exit code 0 [2024-12-06 04:53:37,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:37,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:37,537 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:37,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:37,537 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:37,538 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:37,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:37,539 INFO L229 MonitoredProcess]: Starting monitored process 861 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:37,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (861)] Waiting until timeout for monitored process [2024-12-06 04:53:38,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:38,501 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:38,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:38,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:38,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:38,612 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:38,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (861)] Ended with exit code 0 [2024-12-06 04:53:38,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:38,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:38,623 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:38,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:38,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:38,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:38,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:38,625 INFO L229 MonitoredProcess]: Starting monitored process 862 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:38,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (862)] Waiting until timeout for monitored process [2024-12-06 04:53:39,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:39,567 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:39,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:39,580 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:39,580 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:39,689 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:39,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (862)] Ended with exit code 0 [2024-12-06 04:53:39,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:39,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:39,699 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:39,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:39,700 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:39,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:39,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:39,701 INFO L229 MonitoredProcess]: Starting monitored process 863 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:39,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (863)] Waiting until timeout for monitored process [2024-12-06 04:53:40,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:40,642 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:40,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:40,657 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:40,657 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:40,766 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:40,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (863)] Ended with exit code 0 [2024-12-06 04:53:40,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:40,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:40,778 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:40,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:40,778 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:40,778 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:40,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:40,780 INFO L229 MonitoredProcess]: Starting monitored process 864 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:40,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (864)] Waiting until timeout for monitored process [2024-12-06 04:53:41,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:41,720 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:41,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:41,731 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:41,732 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:41,834 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:41,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (864)] Ended with exit code 0 [2024-12-06 04:53:41,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:41,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:41,844 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:41,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:41,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:41,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:41,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:41,846 INFO L229 MonitoredProcess]: Starting monitored process 865 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:41,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (865)] Waiting until timeout for monitored process [2024-12-06 04:53:42,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:42,762 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:42,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:42,775 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:42,775 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:42,880 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:42,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (865)] Ended with exit code 0 [2024-12-06 04:53:42,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:42,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:42,894 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:42,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:42,894 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:42,894 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:42,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:42,896 INFO L229 MonitoredProcess]: Starting monitored process 866 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:42,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (866)] Waiting until timeout for monitored process [2024-12-06 04:53:43,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:43,816 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:43,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:43,830 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:43,830 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:43,938 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:43,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (866)] Ended with exit code 0 [2024-12-06 04:53:43,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:43,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:43,950 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:43,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:43,950 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:43,950 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:43,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:43,951 INFO L229 MonitoredProcess]: Starting monitored process 867 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:43,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (867)] Waiting until timeout for monitored process [2024-12-06 04:53:45,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:45,064 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:45,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:45,079 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:45,080 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:45,204 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:45,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (867)] Ended with exit code 0 [2024-12-06 04:53:45,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:45,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:45,216 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:45,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:45,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:45,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:45,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:45,219 INFO L229 MonitoredProcess]: Starting monitored process 868 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:45,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (868)] Waiting until timeout for monitored process [2024-12-06 04:53:46,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:46,332 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:46,345 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:46,346 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:46,443 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:46,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (868)] Ended with exit code 0 [2024-12-06 04:53:46,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:46,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:46,454 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:46,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:46,454 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:46,454 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:46,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:46,455 INFO L229 MonitoredProcess]: Starting monitored process 869 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:46,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (869)] Waiting until timeout for monitored process [2024-12-06 04:53:47,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:47,401 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:47,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:47,412 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:47,413 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:47,508 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:47,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (869)] Ended with exit code 0 [2024-12-06 04:53:47,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:47,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:47,518 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:47,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:47,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:47,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:47,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:47,520 INFO L229 MonitoredProcess]: Starting monitored process 870 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:47,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (870)] Waiting until timeout for monitored process [2024-12-06 04:53:48,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:48,476 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:48,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:48,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:48,490 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:48,600 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:48,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (870)] Ended with exit code 0 [2024-12-06 04:53:48,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:48,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:48,609 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:48,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:48,609 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:48,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:48,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:48,611 INFO L229 MonitoredProcess]: Starting monitored process 871 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:48,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (871)] Waiting until timeout for monitored process [2024-12-06 04:53:49,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:49,547 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:49,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:49,559 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:49,560 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:49,666 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:49,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (871)] Ended with exit code 0 [2024-12-06 04:53:49,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:49,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:49,677 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:49,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:49,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:49,677 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:49,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:49,679 INFO L229 MonitoredProcess]: Starting monitored process 872 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:49,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (872)] Waiting until timeout for monitored process [2024-12-06 04:53:50,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:50,553 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:50,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:50,564 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:50,565 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:50,663 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:50,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (872)] Ended with exit code 0 [2024-12-06 04:53:50,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:50,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:50,674 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:50,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:50,674 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:50,674 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:50,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:50,676 INFO L229 MonitoredProcess]: Starting monitored process 873 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:50,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (873)] Waiting until timeout for monitored process [2024-12-06 04:53:51,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:51,569 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:51,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:51,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:51,582 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:51,690 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:51,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (873)] Ended with exit code 0 [2024-12-06 04:53:51,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:51,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:51,700 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:51,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:51,701 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:51,701 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:51,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:51,702 INFO L229 MonitoredProcess]: Starting monitored process 874 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:51,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (874)] Waiting until timeout for monitored process [2024-12-06 04:53:52,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:52,638 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:52,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:52,653 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:52,654 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:52,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:52,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (874)] Ended with exit code 0 [2024-12-06 04:53:52,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:52,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:52,779 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:52,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:52,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:52,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:52,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:52,781 INFO L229 MonitoredProcess]: Starting monitored process 875 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:52,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (875)] Waiting until timeout for monitored process [2024-12-06 04:53:53,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:53,847 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:53,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:53,862 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:53,863 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:53,987 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:53,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (875)] Ended with exit code 0 [2024-12-06 04:53:53,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:53,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:54,000 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:54,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:54,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:54,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:54,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:54,001 INFO L229 MonitoredProcess]: Starting monitored process 876 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:54,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (876)] Waiting until timeout for monitored process [2024-12-06 04:53:55,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:55,011 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:55,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:55,024 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:55,024 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:55,128 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:55,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (876)] Ended with exit code 0 [2024-12-06 04:53:55,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:55,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:55,138 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:55,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:55,138 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:55,139 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:55,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:55,140 INFO L229 MonitoredProcess]: Starting monitored process 877 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:55,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (877)] Waiting until timeout for monitored process [2024-12-06 04:53:56,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:56,125 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:56,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:56,139 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:56,139 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:56,262 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:56,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (877)] Ended with exit code 0 [2024-12-06 04:53:56,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:56,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:56,274 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:56,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:56,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:56,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:56,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:56,276 INFO L229 MonitoredProcess]: Starting monitored process 878 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:56,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (878)] Waiting until timeout for monitored process [2024-12-06 04:53:57,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:57,276 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:57,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:57,288 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:57,289 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:57,387 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:57,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (878)] Ended with exit code 0 [2024-12-06 04:53:57,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:57,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:57,397 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:57,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:57,398 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:57,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:57,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:57,399 INFO L229 MonitoredProcess]: Starting monitored process 879 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:57,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (879)] Waiting until timeout for monitored process [2024-12-06 04:53:58,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:58,324 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:58,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:58,336 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:58,337 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:58,433 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:58,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (879)] Forceful destruction successful, exit code 0 [2024-12-06 04:53:58,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:58,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:58,444 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:58,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:58,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:58,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:58,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:58,446 INFO L229 MonitoredProcess]: Starting monitored process 880 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:58,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (880)] Waiting until timeout for monitored process [2024-12-06 04:53:59,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:59,408 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:59,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:59,421 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:53:59,421 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:59,519 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:59,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (880)] Forceful destruction successful, exit code 0 [2024-12-06 04:53:59,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:59,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:53:59,530 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:53:59,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:59,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:59,531 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:59,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:59,532 INFO L229 MonitoredProcess]: Starting monitored process 881 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:59,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (881)] Waiting until timeout for monitored process [2024-12-06 04:54:00,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:00,390 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:54:00,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:00,403 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:54:00,404 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:54:00,512 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:54:00,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (881)] Ended with exit code 0 [2024-12-06 04:54:00,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:54:00,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:54:00,522 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:54:00,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:54:00,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:54:00,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:54:00,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:54:00,524 INFO L229 MonitoredProcess]: Starting monitored process 882 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:54:00,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (882)] Waiting until timeout for monitored process [2024-12-06 04:54:01,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:01,491 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:54:01,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:01,503 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:54:01,504 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:54:01,600 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:54:01,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (882)] Ended with exit code 0 [2024-12-06 04:54:01,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:54:01,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:54:01,610 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:54:01,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:54:01,610 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:54:01,611 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:54:01,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:54:01,612 INFO L229 MonitoredProcess]: Starting monitored process 883 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:54:01,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (883)] Waiting until timeout for monitored process [2024-12-06 04:54:02,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:02,520 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:54:02,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:02,532 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:54:02,533 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:54:02,625 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:54:02,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (883)] Ended with exit code 0 [2024-12-06 04:54:02,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:54:02,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:54:02,635 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:54:02,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:54:02,636 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:54:02,636 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:54:02,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:54:02,637 INFO L229 MonitoredProcess]: Starting monitored process 884 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:54:02,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (884)] Waiting until timeout for monitored process [2024-12-06 04:54:03,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:03,648 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:54:03,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:03,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:54:03,662 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:54:03,782 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:54:03,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (884)] Ended with exit code 0 [2024-12-06 04:54:03,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:54:03,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:54:03,792 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:54:03,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:54:03,793 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:54:03,793 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:54:03,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:54:03,794 INFO L229 MonitoredProcess]: Starting monitored process 885 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:54:03,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (885)] Waiting until timeout for monitored process [2024-12-06 04:54:04,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:04,654 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:54:04,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:04,667 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:54:04,668 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:54:04,777 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:54:04,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (885)] Ended with exit code 0 [2024-12-06 04:54:04,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:54:04,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:54:04,787 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:54:04,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:54:04,787 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:54:04,787 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:54:04,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:54:04,789 INFO L229 MonitoredProcess]: Starting monitored process 886 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:54:04,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (886)] Waiting until timeout for monitored process [2024-12-06 04:54:05,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:05,671 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:54:05,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:05,683 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:54:05,684 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:54:05,794 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:54:05,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (886)] Ended with exit code 0 [2024-12-06 04:54:05,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:54:05,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:54:05,804 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:54:05,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:54:05,805 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:54:05,805 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:54:05,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:54:05,807 INFO L229 MonitoredProcess]: Starting monitored process 887 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:54:05,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (887)] Waiting until timeout for monitored process [2024-12-06 04:54:06,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:06,783 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:54:06,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:06,795 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:54:06,796 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:54:06,894 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:54:06,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (887)] Ended with exit code 0 [2024-12-06 04:54:06,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:54:06,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:54:06,905 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:54:06,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:54:06,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:54:06,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:54:06,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:54:06,907 INFO L229 MonitoredProcess]: Starting monitored process 888 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:54:06,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (888)] Waiting until timeout for monitored process [2024-12-06 04:54:07,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:07,847 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:54:07,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:07,860 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:54:07,861 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:54:07,975 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:54:07,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (888)] Ended with exit code 0 [2024-12-06 04:54:07,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:54:07,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:54:07,988 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:54:07,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:54:07,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:54:07,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:54:07,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:54:07,989 INFO L229 MonitoredProcess]: Starting monitored process 889 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:54:07,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (889)] Waiting until timeout for monitored process [2024-12-06 04:54:08,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:08,929 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:54:08,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:08,943 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:54:08,944 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:54:09,055 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:54:09,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (889)] Ended with exit code 0 [2024-12-06 04:54:09,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:54:09,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:54:09,065 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:54:09,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:54:09,066 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:54:09,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:54:09,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:54:09,067 INFO L229 MonitoredProcess]: Starting monitored process 890 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:54:09,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (890)] Waiting until timeout for monitored process [2024-12-06 04:54:10,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:10,059 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:54:10,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:10,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:54:10,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:54:10,184 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:54:10,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (890)] Ended with exit code 0 [2024-12-06 04:54:10,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:54:10,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:54:10,194 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:54:10,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:54:10,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:54:10,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:54:10,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:54:10,196 INFO L229 MonitoredProcess]: Starting monitored process 891 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:54:10,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (891)] Waiting until timeout for monitored process [2024-12-06 04:54:11,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:11,130 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:54:11,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:11,145 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:54:11,145 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:54:11,266 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:54:11,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (891)] Ended with exit code 0 [2024-12-06 04:54:11,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:54:11,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:54:11,277 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:54:11,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:54:11,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:54:11,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:54:11,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:54:11,279 INFO L229 MonitoredProcess]: Starting monitored process 892 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:54:11,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (892)] Waiting until timeout for monitored process [2024-12-06 04:54:12,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:12,306 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:54:12,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:12,321 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:54:12,321 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:54:12,439 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:54:12,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (892)] Ended with exit code 0 [2024-12-06 04:54:12,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:54:12,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:54:12,449 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:54:12,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:54:12,450 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:54:12,450 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:54:12,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:54:12,451 INFO L229 MonitoredProcess]: Starting monitored process 893 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:54:12,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (893)] Waiting until timeout for monitored process [2024-12-06 04:54:13,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:13,458 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:54:13,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:13,472 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:54:13,473 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:54:13,572 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:54:13,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (893)] Ended with exit code 0 [2024-12-06 04:54:13,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:54:13,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:54:13,587 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:54:13,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:54:13,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:54:13,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:54:13,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:54:13,589 INFO L229 MonitoredProcess]: Starting monitored process 894 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:54:13,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (894)] Waiting until timeout for monitored process [2024-12-06 04:54:14,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:14,567 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:54:14,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:14,580 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:54:14,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:54:14,697 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:54:14,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (894)] Forceful destruction successful, exit code 0 [2024-12-06 04:54:14,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:54:14,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:54:14,708 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:54:14,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:54:14,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:54:14,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:54:14,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:54:14,710 INFO L229 MonitoredProcess]: Starting monitored process 895 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:54:14,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (895)] Waiting until timeout for monitored process [2024-12-06 04:54:15,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:15,698 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:54:15,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:15,711 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:54:15,712 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:54:15,825 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:54:15,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (895)] Ended with exit code 0 [2024-12-06 04:54:15,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:54:15,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:54:15,836 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:54:15,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:54:15,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:54:15,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:54:15,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:54:15,837 INFO L229 MonitoredProcess]: Starting monitored process 896 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:54:15,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (896)] Waiting until timeout for monitored process [2024-12-06 04:54:16,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:16,855 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:54:16,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:16,871 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:54:16,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:54:16,996 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:54:17,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (896)] Ended with exit code 0 [2024-12-06 04:54:17,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:54:17,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:54:17,008 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:54:17,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:54:17,008 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:54:17,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:54:17,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:54:17,010 INFO L229 MonitoredProcess]: Starting monitored process 897 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:54:17,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (897)] Waiting until timeout for monitored process [2024-12-06 04:54:18,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:18,173 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:54:18,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:18,187 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:54:18,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:54:18,294 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:54:18,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (897)] Ended with exit code 0 [2024-12-06 04:54:18,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:54:18,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:54:18,306 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:54:18,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:54:18,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:54:18,307 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:54:18,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:54:18,308 INFO L229 MonitoredProcess]: Starting monitored process 898 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:54:18,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (898)] Waiting until timeout for monitored process [2024-12-06 04:54:19,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:19,405 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:54:19,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:19,421 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:54:19,422 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:54:19,552 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:54:19,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (898)] Ended with exit code 0 [2024-12-06 04:54:19,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:54:19,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:54:19,563 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:54:19,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:54:19,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:54:19,563 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:54:19,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:54:19,564 INFO L229 MonitoredProcess]: Starting monitored process 899 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:54:19,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (899)] Waiting until timeout for monitored process [2024-12-06 04:54:20,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:20,705 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:54:20,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:20,720 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:54:20,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:54:20,852 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:54:20,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (899)] Ended with exit code 0 [2024-12-06 04:54:20,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:54:20,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:54:20,866 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:54:20,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:54:20,866 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:54:20,866 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:54:20,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:54:20,868 INFO L229 MonitoredProcess]: Starting monitored process 900 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:54:20,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (900)] Waiting until timeout for monitored process [2024-12-06 04:54:21,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:21,990 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:54:22,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:22,004 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:54:22,005 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:54:22,112 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:54:22,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (900)] Ended with exit code 0 [2024-12-06 04:54:22,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:54:22,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-12-06 04:54:22,123 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-12-06 04:54:22,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:54:22,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:54:22,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:54:22,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:54:22,125 INFO L229 MonitoredProcess]: Starting monitored process 901 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:54:22,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53ace98-f6c9-4917-8ead-85ee68bf2881/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (901)] Waiting until timeout for monitored process